INDEX

(SYNONYMS IN ITALICS)

PAGE
Achnanthes,[58]
brevipes Ag.,[59]
coarctata (Bréb.) Grun.,[59]
danica (Floegel) Grun.,[60]
exigua Grun.,[59]
inflata (Kuetz.) Grun.,[59]
lanceolata (Bréb.) Grun.,[59]
linearis forma curta H.L.S.,[59]
longipes Ag.,[58]
subsessilis Kuetz.,[59]
Actinella,[54]
punctata Lewis,[54]
Actinocyclus,[26]
barkleyi var. aggregata Rattr.,[27]
ellipticus var. delawarensis n. var.,[27]
moniliformis Ralfs,[27]
Actinoptychus,[24]
cellulosa Ehr.,[24]
heliopelta Grun. var.?,[25]
omphalopelta Ehr.,[24]
undulatus (Kuetz.) Ralfs,[24]
vulgaris var. interrupta n. var.,[24]
Amphipleura,[78]
pellucida Kuetz.,[78]
rutilans (Trentepohl) Cl.,[78]
Amphiprora,[68]
alata Kuetz.,[68]
conspicua Grev.,[68]
lepidoptera Greg.,[69]
ornata Bail.,[68]
paludosa Wm. Sm.,[68]
pulchra Bail.,[68]
Amphitetras,
antediluviana Ehr.,[32]
tessellata Shad.,[32]
Amphora,[65]
acuta Greg.,[66]
angusta var. eulensteinii Grun.,[67]
aponina Kuetz.,[66]
arenaria Donk.,[67]
areolata Grun.,[66]
coffæiformis (Ag.) Kuetz.,[66]
crassa Greg.,[65]
eulensteinii A.S.,[67]
gigantea var. fusca A.S.,[65]
insecta Grun.,[69]
lævis Greg.,[66]
lineolata Ehr.,[66]
mucronata H.L.S.,[69]
obtusa Greg.,[67]
ocellata var. cingulata Cl.,[67]
ostrearia Bréb.,[66]
ovalis (Bréb.) Kuetz.,[65]
var. libyca (Ehr.) Cl.,[65]
var. pediculus (Kuetz.) Cl.,[65]
plicata Greg.,[66]
porcellus Kitton,[66]
proteus Greg.,[65]
quadrata Bréb.,[66]
robusta Greg.,[65]
salina Wm. Sm.,[66]
vitræa Cl.,[66]
Anomœoneis,[80]
follis (Ehr.) Cl.,[80]
serians Bréb.,[80]
sphærophora (Kuetz.) Cl.,[80]
Anorthoneis,[56]
excentrica (Donk.) Grun.,[56]
Asterionella,[50]
formosa Hass.,[50]
inflata Heib.,[50]
Attheya,[38]
decora West,[38]
Aulacodiscus,[26]
argus (Ehr.) A.S.,[26]
Auliscus,[28]
cælatus Bail.,[29]
pruinosus Bail.,[28]
punctatus Bail.,[28]
sculptus (Wm. Sm.) Ralfs,[29]
spinosus Christian,[29]
Auricula,[69]
insecta (Grun.) Cl.,[69]
mucronata (H.L.S.) Per.,[69]
Bacillaria,[119]
paradoxa Gmelin,[119]
Biddulphia,[31]
alternans (Bail.) V. H.,[33]
antediluviana (Ehr.) V. H.,[32]
biddulphiana (Smith),[31]
favus (Ehr.) V. H.,[31]
granulata Roper,[32]
lævis Ehr.,[33]
pulchella Gray.,[31]
reticulum (Ehr.),[33]
rhombus (Ehr.) Wm. Sm.,[32]
smithii (Ralfs) V. H.,[32]
turgida (Ehr.) Wm. Sm.,[32]
Brébissonia,[79]
bœckii (Kuetz.) Grun.,[79]
palmerii n. sp.,[80]

Caloneis,

[81]
brevis var. vexans Grun.,[82]
formosa (Greg.) Cl.,[82]
liber (Wm. Sm.) Cl.,[81]
permagna (Bail.) Cl.,[82]
var. lewisiana n. var.,[82]
powellii (Lewis) Cl.,[83]
silicula (Ehr.) Cl.,[81]
var. inflata (Grun.) Cl.,[81]
trinodis (Lewis),[81]
wardii Cl.,[82]
Campylodiscus,[129]
argus Bail.,[130]
echeneis Ehr.,[130]
hibernicus Ehr.,[130]
Cerataulus
smithii Ralfs,[32]
turgidus Ehr.,[32]
Cocconeis,[57]
dirupta Greg.,[58]
pediculus Ehr.,[57]
pellucida Grun.,[58]
placentula Ehr.,[57]
var. lineata (Ehr.) V. H.,[58]
scutellum Ehr.,[57]
var. ornata Grun.,[57]
Cocconema
asperum Ehr.,[61]
Colletonema
neglectum Thwaites,[95]
vulgaris Thwaites,[77]
Conferva
biddulphiana Smith,[31]
flocculosa Roth,[36]
moniliformis Mueller,[16]
nummuloides Dillw.,[16], [17]
rutilans Trentepohl,[78]
Coscinodiscus,[21]
argus Ehr.,[23]
asteromphalus Ehr.,[23]
var. omphalantha Grun.,[23]
biangulatus A. S.,[23]
denarius A. S.,[22]
excentricus Ehr.,[21]
var. perpusilla Grun.,[21]
lewisianus Grev.,[24]
lineatus Ehr.,[21]
marginatus Ehr.,[22]
minor Wm. Sm.,[14]
nitidulus Grun.,[21]
nitidus Greg.,[21]
oculus-iridus Ehr.,[23]
polyacanthus Grun.,[22]
radiatus Ehr.,[23]
striatus Kuetz.,[19]
subaulacodiscoidalis Rattr.,[23]
subtilis Ehr.,[21]
velatus Ehr.,[22]
Creswellia
turris Grev.,[18]
Cyclotella,[19]
antiqua Wm. Sm.,[20]
comta (Ehr.) Kuetz.,[20]
dallasiana Wm. Sm.,[19]
kuetzingiana Wm. Sm.,[19]
meneghiniana Kuetz.,[19]
var. stelligera Cl. and Grun.,[20]
var. stellulifera Cl. and Grun.,[20]
operculata (Ag.) Kuetz.,[20]
scotica Kuetz.,[18]
striata (Kuetz.) Grun.,[19]
stylorum (Br.?) V. H.,[20]
Cymatopleura,[129]
elliptica (Bréb.) Wm. Sm.,[129]
marina Lewis,[129]
solea (Bréb.) Wm. Sm.,[129]
Cymbella,[60]
affinis Kuetz.,[61]
amphicephala Nægeli,[61]
aspera (Ehr.) Cl.,[61]
cistula (Hempr.) Kirchn.,[62]
cuspidata Kuetz.,[60]
cymbiformis (Kuetz.) Bréb.,[62]
ehrenbergii Kuetz.,[60]
excisa (Kuetz.) De Toni,[61]
gastroides Kuetz.,[61]
gracilis (Rab.) Cl.,[64]
heteropleura (Ehr.) Kuetz.,[60]
lacustris (Ag.) Cl.,[64]
lanceolata (Ehr.) Kirchn.,[62]
mexicana (Ehr.) A. S.,[62]
naviculiformis Auerswald,[60]
parva (Wm. Sm.) Cl.,[61]
philadelphica n. sp.,[63]
prostrata (Berk.) Cl.,[63]
rhomboidea n. sp.,[63]
sinuata Greg.,[61]
triangulum (Ehr.) Cl.,[63]
tumida (Bréb.) V. H.,[62]
turgida (Greg.) Cl.,[63]
var.?,[63]
ventricosa Kuetz.,[62]
Diatoma,[41]
anceps (Ehr.) Kirchn.,[42]
arcuatum Lyng.,[35]
biddulphianum Ag.,[31]
hiemale (Lyng.) Heib.,[42]
marinum Lyng.,[37]
vulgare Bory.,[42]
var. elongatum (Ag.),[42]
var. grande (Wm. Sm.) Grun.,[42]
Dictyoneis,[78]
marginata var. commutata Cl.,[79]
var. maxima n. var.,[79]
var. typica Cl.,[78]
Dimerogramma,[46]
marinum (Greg.) Ralfs,[46]
minus (Greg.) Ralfs,[47]
sinuatum Thwaites,[119]
surirella (Ehr.) Grun.,[46]

Diploneis,

[84]
campylodiscus (Grun.) Cl.,[86]
crabro Ehr. var.?,[85]
var. expleta (A. S.) Cl.,[85]
var. pandura (Bréb.) Cl.,[85]
var. pandurella Cl.?,[85]
elliptica (Kuetz.) Cl.,[84]
var. minutissima Grun.,[85]
excentrica n. sp.,[85]
fusca var. delicata (A. S.) Cl.,[85]
gemmata (Grev.) Cl.,[86]
gruendleri (A. S.) Cl.,[85]
oculata (Bréb.) Cl.,[86]
puella (Schum.) Cl.,[85]
smithii (Bréb.) Cl.,[84]
Ditylum,[30]
intricatum (West) Grun.,[30]
Echinella
circularis Grev.,[40]
flabellata Carm.,[39]
paradoxa Lyng.,[39]
Encyonema,[62]
Epithemia,[111]
argus Kuetz.,[111]
var.?,[111]
gibba var. ventricosa Kuetz.,[113]
gibberula var. producta Grun.,[112]
marina Donk.,[114]
muelleri A. S.?,[111]
musculus Kuetz.,[112]
var. constricta (Bréb.) V. H.,[112]
succincta Bréb.,[112]
turgida (Ehr.) Kuetz.,[111]
zebra var. proboscidea (Kuetz.) Grun.,[112]
Eunotia,[51]
bactriana Ehr.,[54]
biceps Ehr.,[53]
bidentula Wm. Sm.,[54]
bigibba Greg.,[53]
formica Ehr. var.?,[54]
gracilis (Ehr.) Rab.,[51]
hemicyclus (Ehr.) Ralfs,[53]
incisa Greg.,[52]
luna Ehr.,[52]
lunaris (Ehr.) Grun.,[53]
major (Wm. Sm.) Rab.,[51]
nymanniana Grun.,[51]
pectinalis (Kuetz.),[52]
var. solierolii (Kuetz.),[52]
var. undulata Ralfs,[52]
var. ventricosa Grun.,[52]
prærupta Ehr.,[53]
var. bidens Grun.,[53]
robusta Ralfs,[53]
veneris Kuetz.,[52]
Eunotogramma,[33]
læve Grun.,[33]
Euodia,[34]
gibba Bail.,[34]
Eupodiscus,[28]
argus (Ehr.) Wm. Sm.,[26]
radiatus Bail.,[28]
radiatus Wm. Sm.,[32]
Fragilaria,[44]
arctica Grun.,[44]
capucina var. mesolepta Rab.,[45]
construens (Ehr.) Grun.,[45]
harrisonii (Wm. Sm.) Grun.,[45]
linearis Cstr.,[45]
parasitica (Wm. Sm.),[45]
undata Wm. Sm.,[44]
virescens Ralfs,[44]
Frustulia,[77]
acuminata Kuetz.,[76]
interposita (Lewis) De Toni,[78]
lewisiana (Grev.) De Toni,[77]
rhomboides (Ehr.) De Toni,[77]
var. amphipleuroides Grun.,[77]
var. saxonica Rab.,[77]
vulgaris (Thwaites) De Toni,[77]
Gaillonella,[16]
crenulata Ehr.,[15]
granulata Ehr.,[15]
moniliformis Bail.,[16]
nummuloides (Dillw.) Bory.,[16]
sulcata Ehr.,[15]
Glœonema,[63]
triangulum Ehr.,[63]
Gomphoneis,[70]
herculaneum (Ehr.) Cl.,[70]
mamilla (Ehr.) Cl.,[70]
Gomphonema,[70]
acuminatum,[71]
var. coronata (Ehr.) Cl.,[71]
var. trigonocephala (Ehr.) Cl.,[71]
var. turris (Ehr.) Cl.,[71]
var. turris (Ehr.) Cl.?,[71]
æquale Greg.,[72]
angustatum Kuetz.,[72]
augur Ehr.,[72]
brasiliense var. demeraræ Grun.?,[73]
capitatum Ehr.,[72]
capitatum var. herculaneum Ehr.,[70]
constrictum Ehr.,[72]
geminatum Lyng.,[71]
insigne Greg.,[71]
intricatum Kuetz.,[72]
lanceolatum var. insignis (Greg.) Cl.,[71]
montanum Schum.,[71]
olivaceum Lyng.,[73]
parvulum var. micropus (Kuetz.) Cl.,[73]
sarcophagus Greg.,[72]
sphærophorum Ehr.,[72]
subclavatum var. montana Schum.,[71]
tinctum Ag.,[40]
ventricosum Greg.,[73]
Grammatophora,[36]
angulosa var. hamulifera (Kuetz.) Grun.,[37]
islandica Ehr.,[37]

marina (Lyng.) Kuetz.,

[37]
var. subtilissima (Bail.) V. H.,[37]
serpentina Ralfs,[37]
subtilissima Bail.,[37]
Gyrosigma,[75]
acuminatum (Kuetz.) Cl.,[76]
attenuatum (Kuetz.) Cl.,[75]
balticum (Ehr.) Cl.,[75]
var. similis (Grun.) Cl.,[76]
fasciola (Ehr.) Cl.,[77]
hippocampus (Ehr.),[75]
kuetzingii (Grun.) Cl.,[76]
parkeri var. stauroneioides Grun.,[75]
prolongatum (Wm. Sm.) Cl.,[76]
scalproides (Rab.) Cl.,[76]
simile (Grun.),[76]
spencerii var. nodifera Grun.,[76]
strigilis (Wm. Sm.) Cl.,[76]
Hantzschia,[113]
amphioxys (Ehr.) Grun.,[113]
var. major Grun.,[114]
marina (Donk.) Grun.,[114]
virgata (Roper) Grun.,[114]
Himantidium
pectinate Kuetz.,[52]
Homœocladia,[123]
filiformis Wm. Sm.,[123]
Hyalodiscus,[17]
radiatus var. arctica Grun.,[17]
scoticus (Kuetz.) Grun.,[18]
stelliger Bail.,[17]
subtilis Bail.,[18]
Licmophora,[38]
baileyi (Ehr.) Grun.,[40]
ehrenbergii (Kuetz.) Grun.,[40]
flabellata (Carm.) Ag.,[39]
gracilis (Ehr.) Grun.,[39]
var. elongata (Kuetz.) De Toni,[39]
lyngbyei (Kuetz.) Grun.,[40]
ovulum Mer.,[39]
paradoxa (Lyng.) Ag.,[39]
splendida Wm. Sm.,[39]
tincta (Ag.) Grun.,[40]
Lysigonium,[16]
moniliforme (Muell.) Link,[16]
nummuloides (Lyng.) O'Meara,[17]
varians (Ag.) De Toni,[17]
Mastogloia,[86]
angulata Lewis,[87]
apiculata Wm. Sm.,[87]
braunii Grun.,[87]
elegans Lewis,[87]
exigua Lewis,[87]
kinsmanii Lewis,[87]
lanceolata Thwaites,[87]
smithii Thwaites,[87]
Meloseira,[14]
borreri Grev.,[17]
crenulata (Ehr.) Kuetz.,[15]
distans (Ehr.) Kuetz.,[14]
gowenii A. S.,[15]
granulata (Ehr.) Ralfs,[15]
nivalis Wm. Sm.,[14]
nummuloides Ag.,[16]
roeseana Rab.,[15]
var. epidendron (Ehr.) Grun.,[15]
sulcata Kuetz.,[15]
undulata (Ehr.) Kuetz.,[15]
varians Ag.,[17]
Meridion,[40]
circulare (Grev.) Ag.,[40]
constrictum Ralfs,[41]
Micromega
ramosissimum Ag.,[95]
Navicula,[89]
affinis Ehr.,[83]
americana Ehr.,[98]
amphibola Cl.,[92]
amphigomphus Ehr.,[83]
anglica Ralfs,[96]
angulata Quek.,[74]
ardua Mann,[96]
arenaria Donk.,[95]
atomus Nægeli,[100]
bacillum Ehr.,[98]
baltica Ehr.,[75]
brasiliensis var. bicuneata Cl., forma constricta,[92]
crucigera (Wm. Sm.) Cl.,[100]
cryptocephala Kuetz.,[97]
cuspidata Kuetz.,[100]
var. ambigua (Ehr.) Cl.,[100]
cyprinus (Wm. Sm.),[95]
delawarensis Grun.,[92]
dicephala Wm. Sm.,[96]
digito-radiata var. cyprinus (Ehr.?) Wm. Sm.,[95]
elegans Wm. Sm.,[101]
var. cuspidata Cl.,[101]
firma Kuetz.,[84]
fischeri A. S.,[90]
follis Ehr.,[80]
fuchsii Pant.,[91]
gastrum Ehr.,[96]
gigas A. S.,[103]
globiceps Lagerstedt,[96]
gracilis var. schizonemoides (Ehr.) V. H.,[95]
grevillei (Ag.) Cl.,[99]
hasta Pant.,[97]
var. punctata n. var.,[97]
hennedyi Wm. Sm.,[93]
var. circumsecta Grun.,[93]
var. manta A. S.,[93]
hippocampus Ehr.,[75]
hitchcockii Ehr.,[84]
humerosa Bréb.,[91]
var. elongata Pant.,[91]
var. fuchsii (Pant.) Cl.,[91]

humilis Donk.,

[96]
hungarica var. capitata (Ehr.) Cl.,[96]
inflexa Greg.,[96]
integra Wm. Sm.,[99]
interposita Lewis,[78]
iridis Ehr.,[84]
irrorata Grev.,[93]
lacustris Greg.,[92]
lanceolata var. arenaria (Donk.) Cl.,[95]
latissima Greg.,[90]
var. elongata (Pant.) Cl.,[91]
libellus Greg.,[99]
limosa Donk.,[81]
longa (Greg.) Ralfs,[97]
lyra Ehr.,[93]
var. dilatata A. S.,[93]
var. ehrenbergii Cl.,[93]
var.?,[93]
maculata (Bail.) Cl.,[90]
marginata Lewis,[78]
marina Ralfs,[92]
minima Grun.,[98]
mormonorum Grun.,[107]
mutica Kuetz.,[97]
oblonga Kuetz.,[97]
oculata Bréb.,[86]
palpebralis Bréb.,[101]
pennata A. S.,[96]
peregrina Ehr.,[94]
pinnata Pant.?,[96]
placenta Ehr.,[94]
prætexta Ehr.,[92]
producta Wm. Sm.,[83]
punctata var. asymmetrica Lagerstedt,[92]
punctulata Wm. Sm.,[92]
pupula var. bacillarioides Grun.,[98]
pusilla Wm. Sm.,[91]
var. subcapitata n. var.,[91]
pygmæa Kuetz.,[94]
radiosa Kuetz.,[94]
ramosissima (Ag.) Cl.,[95]
rectangulata Greg.,[110]
reinhardtii Grun.,[95]
rhyncocephala Kuetz.,[97]
salinarum Grun.,[95]
semen Ehr.,[98]
silicula Ehr.,[81]
socialis Palmer,[104]
spectabilis var. emarginata Cl.,[94]
sphærophora Kuetz.,[80]
spicula (Hickie) Cl.,[100]
trochus Kuetz.,[80]
tumida (Bréb.) Cl.,[99]
viridula var. rostellata Kuetz.,[95]
yarrensis Grun.,[101]
Neidium,[83]
affine (Ehr.) Pfitzer,[83]
var. amphirhyncus (Ehr.) Cl.,[83]
var. genuina forma maxima Cl.,[83]
var. genuina forma minor Cl.,[83]
amphigomphus (Ehr.) Pfitzer,[83]
hitchcockii (Ehr.) Cl.,[84]
iridis (Ehr.) Cl.,[84]
productum (Wm. Sm.) Cl.,[83]
Nitzschia,[114]
acicularis (Kuetz.) Wm. Sm.,[123]
acuminata (Wm. Sm.) Grun.,[117]
amphibis Grun.,[122]
amphioxys Wm. Sm.,[114]
apiculata (Greg.) Grun.,[117]
bilobata Wm. Sm.,[118]
circumsuta (Bail.) Grun.,[118]
clausii Hantzsch,[121]
communis Rab.,[122]
compressa Bail.,[116]
var. minor H. L. S.,[116]
curvula Wm. Sm.,[121]
dissipata (Kuetz.) Grun.,[120]
dubia Wm. Sm.,[118]
epithemioides Grun.,[118]
fluminensis Grun.,[120]
granulata Grun.,[116]
insignis Greg.,[119]
intermedia Hantzsch,[122]
linearis (Ag.) Wm. Sm.,[122]
litoralis var. delawarensis Grun.,[118]
longissima (Bréb.) Ralfs,[123]
forma parva V. H.,[123]
macilenta Greg.,[120]
navicularis (Bréb.) Grun.,[116]
obtusa Wm. Sm.,[121]
var. flexella H. L. S.,[121]
var. scalpelliformis Grun.,[121]
palea (Kuetz.) Wm. Sm.,[122]
panduriformis Greg.,[117]
var. minor Grun.,[117]
paradoxa (Gmelin) Grun.,[119]
paxillifer (O. F. Mueller) Heib.,[119]
plana Wm. Sm.,[117]
punctata (Wm. Sm.) Grun.,[116]
reversa Wm. Sm.,[123]
scalaris (Ehr.) Wm. Sm.,[119]
sigma (Kuetz.) Wm. Sm.,[121]
var. curvula (Wm. Sm.) De Toni,[121]
sigmatella Greg.,[121]
sinuata var. tabellaria (Grun.) V. H.,[119]
spathulata Bréb.,[120]
spectabilis var. americana Grun.,[122]
tabellaria Grun.,[119]
tryblionella Hantzsch,[116]
vermicularis (Kuetz.) Hantzsch,[120]
Odontidium
parasiticum Wm. Sm.,[45]
tabellaria Wm. Sm.,[45]
Opephora,[43]
pacifica (Grun.) Petit,[43]
pinnata var. lanceolata n. var.,[44]
schwartzii (Grun.) Petit,[43]

Orthosira

orichalcea Wm. Sm.,[15]
punctata Wm. Sm.,[15]
spinosa Grev.,[15]
Paralia
marina Heib.,[15]
sulcata (Ehr.) Cl.,[15]
Pinnularia,[101]
acrosphæria (Bréb.) Cl.,[108]
var. turgidula Grun.?,[108]
æstuarii Cl.,[105]
appendiculata (Ag.) Cl.,[106]
blandita n. sp.,[108]
borealis Ehr.,[109]
var. scalaris (Ehr.) Cl.,[109]
braunii Grun.,[106]
brébissonii (Kuetz.) Cl.,[107]
cardinaliculus Cl.,[107]
cyprinus Wm. Sm.,[95]
dactylus Ehr.,[103]
var. dariana (A. S.) Cl.,[103]
var. demeraræ Cl.,[103]
divergens var. elliptica Grun.,[107]
gentilis (Donk.) Cl.,[103]
gibba (Kuetz.) V. H.,[109]
interrupta forma stauroneiformis Cl.,[106]
lata (Bréb.) Wm. Sm.,[109]
legumen Ehr.,[107]
var.?,[107]
leptosoma Grun.,[105]
major (Kuetz.) Wm. Sm.,[102]
var. pulchella n. var.,[102]
mesogongyla (Ehr.) Cl.,[109]
mesolepta Ehr.,[105]
var. stauroneiformis Grun.,[105]
microstauron (Ehr.) Cl.,[106]
molaris (Grun.) Cl.,[105]
mormonorum Grun.,[107]
nobilis Ehr.,[103]
nodosa forma capitata Cl.,[108]
parva (Ehr.) Cl.,[108]
permagna Bail.,[82]
polyonca (Bréb.) Lewis,[108]
rectangulata (Greg.) Cl.,[110]
socialis (Palmer),[104]
stauroptera (Grun.) Cl.,[110]
var. interrupta forma stauroneiformis Cl.,[110]
stomatophora (Grun.) Cl.,[109]
subcapitata Greg.,[105]
var. paucistriata Grun.,[106]
tabellaria (Ehr.) Cl.,[110]
termes (Ehr.) A. S.,[106]
var. stauroneiformis V. H.,[106]
trigonocephala Cl.,[103]
viridis Nitzsch,[104]
var. caudata n. var.,[104]
var. fallax Cl.,[104]
var.?,[104]
Plagiogramma,[42]
obesum Grev.,[43]
pygmæum Grev.,[43]
tessellatum Grev.,[43]
wallichianum Grev.,[43]
Pleurosigma,[73]
æstuarii Bréb.,[74]
affine var. fossilis Grun.,[74]
angulatum (Quekett) Cl.,[74]
balticum (Ehr.) Wm. Sm.,[75]
formosum Wm. Sm.,[73]
hippocampus (Ehr.) Wm. Sm.,[75]
naviculaceum Bréb.,[74]
normanii var. fossilis Grun.,[74]
obscurum Wm. Sm.,[74]
rigidum Wm. Sm.,[75]
simile Grun.,[76]
spencerii var. acutiuscula Grun.,[76]
var. kuetzingii Grun.,[76]
strigosum Wm. Sm.,[74]
virginiacum H. L. S.,[74]
Podocystis,[128]
adriatica Kuetz.,[129]
americana Bail.,[129]
Podosira
hormoides Wm. Sm.,[18]
maculata Wm. Sm.,[17]
Podosphenia
baileyi (Edw.) Lewis,[40]
ehrenbergii Kuetz.,[40]
lyngbyei Kuetz.,[40]
Polymyxus,[25]
coronalis L. W. Bail.,[25]
Pseudauliscus,[29]
radiatus (Bail.) Rattr.,[29]
spinosus (Christian) Rattr.,[29]
Pyxidicula,[19]
compressa Bail.,[116]
var. minor H. L. S.,[116]
cruciata Ehr.,[19]
radiata O'Meara,[17]
Rhabdonema,[35]
adriaticum Kuetz.,[36]
arcuatum (Lyng.) Kuetz.,[35]
minutum Kuetz.,[36]
Rhaphoneis,[46]
amphiceros Ehr.,[46]
var. rhombica Grun.,[46]
belgica var. intermedia Grun.,[46]
Rhipidophora
elongata Kuetz.,[39]
paradoxa Kuetz.,[39]
Rhoicosphenia,[56]
curvata (Kuetz.) Grun.,[56]
Rhopalodia,[112]
gibba (Kuetz.) Mueller,[112]
ventricosa (Kuetz.) Mueller,[113]
Schizonema
cruciger Wm. Sm.,[100]
dillwynii Wm. Sm.,[78]

grevillei Ag.,

[99]
smithii Kuetz.,[95]
Scoliopleura
tumida (Bréb.) V. H.,[99]
Scoliotropis,[69]
latestriata var. amphora Cl.,[69]
Stauroneis,[88]
acuta Wm. Sm.,[89]
americana A. S.,[89]
anceps Ehr.,[88]
var. amphicephala (Kuetz.) Cl.,[88]
var. gracilis (Ehr.) Cl.,[88]
crucicula (Grun.) Cl.,[89]
exilis Kuetz.,[59]
frickei var. angusta n. var.,[88]
legumen Ehr.,[89]
maculata Bail.,[90]
phœnicenteron Ehr.,[88]
salina Wm. Sm.,[89]
smithii Grun.,[89]
spicula Hickie,[100]
Staurosira
construens Ehr.,[45]
Stephanopyxis,[18]
appendiculata Ehr.,[18]
corona (Ehr.) Grun.,[18]
turris (Grev.) Ralfs,[18]
Striatella,[37]
interrupta (Ehr.) Heib.,[38]
unipunctata (Lyng.) Ag.,[38]
Surirella,[124]
amphioxys Wm. Sm.,[124]
anceps Lewis,[128]
angusta Kuetz.,[127]
arctissima A. S.,[128]
bifrons Ehr.,[124]
biseriata (Ehr.) Bréb.,[124]
cardinalis Kitton,[126]
circumsuta Bail.,[118]
cruciata A. S.,[127]
crumena Bréb.,[126]
davidsonii A. S.,[126]
delicatissima Lewis,[128]
diaphana Bleisch,[125]
elegans Ehr.,[125]
fastuosa Ehr.,[127]
febigerii Lewis,[128]
gemma Ehr.,[125]
gracilis Grun.,[127]
guatimalensis Ehr.,[126]
intermedia Lewis,[128]
linearis Wm. Sm.,[124]
mœlleriana Grun.,[124]
oblonga Ehr.?,[127]
ovalis Bréb.,[126]
var. pinnata (Wm. Sm.) De Toni,[126]
panduriformis Wm. Sm.,[126]
pinnata Wm. Sm.,[126]
var. minuta Grun.,[126]
recedens A. S.,[127]
robusta Ehr.,[124]
splendida (Ehr.) Kuetz.,[125]
striatula Turpin,[125]
tenera Greg.,[125]
Synedra,[47]
acus Kuetz.,[48]
affinis Kuetz.,[50]
var. parva (Kuetz.) V. H.,[50]
var. tabulata (Ag.) V. H.,[50]
biceps (Kuetz.) A. S.,[48]
capitata Ehr.,[48]
danica Kuetz.,[48]
fulgens (Grev.) Wm. Sm.,[50]
goulardi Bréb.,[48]
gracilis Kuetz.,[50]
oxyrhynchus var. undulata Grun.,[48]
pulchella (Ralfs) Kuetz.,[48]
var. abnormis Macchiati?,[48]
var. flexella n. var.,[49]
radians Kuetz.,[49]
ulna (Nitzsch) Ehr.,[47]
vaucheriæ var. parvula (Kuetz.) Rab.,[49]
Tabellaria,[36]
fenestrata (Lyng.),[36]
flocculosa (Roth) Kuetz.,[36]
Terpsinoë,[34]
americana (Bail.) Ralfs,[34]
novæ-cæsareæ Boyer,[34]
Tessella
interrupta Ehr.,[38]
Trachyneis,[79]
aspera var. intermedia Grun.,[79]
Trachysphenia,[47]
australis Petit,[47]
Triceratium
alternans Bail.,[33]
favus Ehr.,[31]
obtusum Br.,[33]
pileotus Ehr.,[30]
punctatum Br.,[33]
sculptum Shad.,[33]
Trinacria,[30]
pileolus (Ehr.) Grun.,[30]
Tripodiscus
argus Ehr.,[26]
Tropidoneis,[68]
lepidoptera (Greg.) Cl.,[69]
Tryblionella
punctata Wm. Sm.,[116]
scutellum Wm. Sm.,[118]
Vibrio
paxillifer O. F. Mueller,[119]

PLATES

PLATE 1

Fig.Page
MELOSEIRA
3-4Meloseira roeseana var. epidendron (Ehr.) Grun.[15]
5-6Meloseira roeseana Rab.[15]
8-9Meloseira distans (Ehr.) Kuetz.[14]
10Meloseira granulata (Ehr.) Ralfs[15]
11-12Meloseira sulcata Kuetz.[15]
15-16-17Meloseira undulata (Ehr.) Kuetz.[15]
GAILLONELLA
13-14Gaillonella nummuloides (Dillw.) Bory[16]
LYSIGONIUM
7Lysigonium moniliforme (Muell.) Link.[16]
18-19Lysigonium varians (Ag.) De Toni[17]
HYALODISCUS
20Hyalodiscus scoticus (Kuetz.) Grun.[18]
21Hyalodiscus radiatus var. arctica Grun.[17]
22Hyalodiscus stelliger Bail.[17]
Note.—The figures in all of the plates, except when otherwise noted, are magnified 800 diameters.

Fig.Page
MELOSEIRA
3-4Meloseira roeseana var. epidendron (Ehr.) Grun.[15]
5-6Meloseira roeseana Rab.[15]
8-9Meloseira distans (Ehr.) Kuetz.[14]
10Meloseira granulata (Ehr.) Ralfs[15]
11-12Meloseira sulcata Kuetz.[15]
15-16-17Meloseira undulata (Ehr.) Kuetz.[15]
GAILLONELLA
13-14Gaillonella nummuloides (Dillw.) Bory[16]
LYSIGONIUM
7Lysigonium moniliforme (Muell.) Link.[16]
18-19Lysigonium varians (Ag.) De Toni[17]
HYALODISCUS
20Hyalodiscus scoticus (Kuetz.) Grun.[18]
21Hyalodiscus radiatus var. arctica Grun.[17]
22Hyalodiscus stelliger Bail.[17]
Note.—The figures in all of the plates, except when otherwise noted, are magnified 800 diameters.

PLATE 2

Fig.Page
STEPHANOPYXIS
1-2Stephanopyxis turris (Grev.) Ralfs[18]
3Stephanopyxis corona (Ehr.) Grun.[18]
CYCLOTELLA
4Cyclotella meneghiniana var. stelligera Cl. and Grun.[20]
5-6Cyclotella operculata (Ag.) Kuetz.[20]
7Cyclotella comta (Ehr.) Kuetz.[20]
8Cyclotella meneghiniana Kuetz.[19]
9Cyclotella striata (Kuetz.) Grun.[19]
10Cyclotella stylorum (Br.?) V. H.[20]
11Cyclotella antiqua Wm. Sm.[20]
12Cyclotella meneghiniana var. stellulifera Cl. and Grun.[20]
COSCINODISCUS
13Coscinodiscus denarius A. S.[22]
14Coscinodiscus excentricus Ehr.[21]
15-17Coscinodiscus subtilis Ehr.[21]
16Coscinodiscus asteromphalus Ehr.[23]
18Coscinodiscus nitidus Greg.[21]
19Coscinodiscus nitidulus Grun.[21]
20Coscinodiscus excentricus var. perpusilla Grun. ?[21]

Fig.Page
STEPHANOPYXIS
1-2Stephanopyxis turris (Grev.) Ralfs[18]
3Stephanopyxis corona (Ehr.) Grun.[18]
CYCLOTELLA
4Cyclotella meneghiniana var. stelligera Cl. and Grun.[20]
5-6Cyclotella operculata (Ag.) Kuetz.[20]
7Cyclotella comta (Ehr.) Kuetz.[20]
8Cyclotella meneghiniana Kuetz.[19]
9Cyclotella striata (Kuetz.) Grun.[19]
10Cyclotella stylorum (Br.?) V. H.[20]
11Cyclotella antiqua Wm. Sm.[20]
12Cyclotella meneghiniana var. stellulifera Cl. and Grun.[20]
COSCINODISCUS
13Coscinodiscus denarius A. S.[22]
14Coscinodiscus excentricus Ehr.[21]
15-17Coscinodiscus subtilis Ehr.[21]
16Coscinodiscus asteromphalus Ehr.[23]
18Coscinodiscus nitidus Greg.[21]
19Coscinodiscus nitidulus Grun.[21]
20Coscinodiscus excentricus var. perpusilla Grun. ?[21]