The Diatomaceæ of Philadelphia and Vicinity

by Charles S. Boyer

PLATE 13

Fig. Page EUNOTIA—Continued 1-2 Eunotia major (Wm. Sm.) Rab. [51] 3 Eunotia gracilis (Ehr.) Rab. [51] 4 Eunotia major (Wm. Sm.) Rab. (intermediate form) [51] 5 Eunotia prærupta Ehr. [53] 6-7 Eunotia pectinalis (Kuetz.) [52] 8-10 Eunotia pectinalis var. undulata Ralfs [52] 9 Eunotia pectinalis var. solierolii (Kuetz.) [52] 11 Eunotia luna Ehr. var.? [52] 12 Eunotia pectinalis var. ventricosa Grun. [52] 13 Eunotia robusta Ralfs (E. scalaris Ehr.) [53] 14 Eunotia robusta Ralfs (E. prioritis Ehr.) [53] 15 Eunotia robusta Ralfs (E. decadon Ehr.) [53] 16 Eunotia robusta Ralfs (E. octodon Ehr.) [53] 17-22 Eunotia robusta Ralfs (E. heptodon Ehr.) [53] 18 Eunotia bactriana Ehr. [54] 19 Eunotia prærupta var. bidens Grun. [53] 20 Eunotia bidentula Wm. Sm. [54] 21 Eunotia robusta Ralfs (E. diadema Ehr.) [53] 23 Eunotia prærupta Ehr. var.? [53] 24 Eunotia robusta Ralfs (E. triodon Ehr.) [53] 25 Eunotia robusta Ralfs (E. tetraodon Ehr.) [53] 26 Eunotia formica Ehr. var.? [54] 27 Eunotia biceps Ehr. [53] 28-29 Eunotia sp.? [54] 30-31 Eunotia veneris Kuetz. [52] 32 Eunotia nymanniana Grun. [51]

Fig.		Page
EUNOTIA—Continued
1-2	Eunotia major (Wm. Sm.) Rab.	[51]
3	Eunotia gracilis (Ehr.) Rab.	[51]
4	Eunotia major (Wm. Sm.) Rab. (intermediate form)	[51]
5	Eunotia prærupta Ehr.	[53]
6-7	Eunotia pectinalis (Kuetz.)	[52]
8-10	Eunotia pectinalis var. undulata Ralfs	[52]
9	Eunotia pectinalis var. solierolii (Kuetz.)	[52]
11	Eunotia luna Ehr. var.?	[52]
12	Eunotia pectinalis var. ventricosa Grun.	[52]
13	Eunotia robusta Ralfs (E. scalaris Ehr.)	[53]
14	Eunotia robusta Ralfs (E. prioritis Ehr.)	[53]
15	Eunotia robusta Ralfs (E. decadon Ehr.)	[53]
16	Eunotia robusta Ralfs (E. octodon Ehr.)	[53]
17-22	Eunotia robusta Ralfs (E. heptodon Ehr.)	[53]
18	Eunotia bactriana Ehr.	[54]
19	Eunotia prærupta var. bidens Grun.	[53]
20	Eunotia bidentula Wm. Sm.	[54]
21	Eunotia robusta Ralfs (E. diadema Ehr.)	[53]
23	Eunotia prærupta Ehr. var.?	[53]
24	Eunotia robusta Ralfs (E. triodon Ehr.)	[53]
25	Eunotia robusta Ralfs (E. tetraodon Ehr.)	[53]
26	Eunotia formica Ehr. var.?	[54]
27	Eunotia biceps Ehr.	[53]
28-29	Eunotia sp.?	[54]
30-31	Eunotia veneris Kuetz.	[52]
32	Eunotia nymanniana Grun.	[51]

PLATE 14

Fig. Page AMPHIPRORA 1-2 Amphiprora pulchra Bail. [68] 3 Amphiprora alata Kuetz. [68] 4 Amphiprora conspicua Grev. [68] 5 Amphiprora paludosa Wm. Sm. [68] 6-7 Amphiprora ornata Bail. [68] TROPIDONEIS 8-9 Tropidoneis lepidoptera (Greg.) Cleve. [69] SCOLIOTROPIS 10-11 Scoliotropis latestriata var. amphora Cleve. [69]

Fig.		Page
AMPHIPRORA
1-2	Amphiprora pulchra Bail.	[68]
3	Amphiprora alata Kuetz.	[68]
4	Amphiprora conspicua Grev.	[68]
5	Amphiprora paludosa Wm. Sm.	[68]
6-7	Amphiprora ornata Bail.	[68]
TROPIDONEIS
8-9	Tropidoneis lepidoptera (Greg.) Cleve.	[69]
SCOLIOTROPIS
10-11	Scoliotropis latestriata var. amphora Cleve.	[69]

PLATE 15

Fig. Page AMPHORA 1 Amphora robusta Greg. [65] 3 Amphora crassa Greg. [65] 4 Amphora obtusa Greg. [67] 5-6-19 Amphora proteus Greg. [65] 7 Amphora ovalis (Bréb.) Kuetz. [65] 8-18 Amphora coffæiformis (Ag.) Kuetz. [66] 9-10 Amphora lineolata Ehr. [66] 11 Amphora areolata Grun. [66] 12-21 Amphora ostrearia Bréb. [66] 13 Amphora lævis Greg. [66] 14-15 Amphora ocellata var. cingulata Cleve. [67] 16 Amphora angusta var. culensteinii Grun. [67] 17 Amphora arenaria Donk. [67] 20 Amphora acuta Greg. [66] AURICULA 2 Auricula mucronata (H. L. Smith) Peragallo [69]

Fig.		Page
AMPHORA
1	Amphora robusta Greg.	[65]
3	Amphora crassa Greg.	[65]
4	Amphora obtusa Greg.	[67]
5-6-19	Amphora proteus Greg.	[65]
7	Amphora ovalis (Bréb.) Kuetz.	[65]
8-18	Amphora coffæiformis (Ag.) Kuetz.	[66]
9-10	Amphora lineolata Ehr.	[66]
11	Amphora areolata Grun.	[66]
12-21	Amphora ostrearia Bréb.	[66]
13	Amphora lævis Greg.	[66]
14-15	Amphora ocellata var. cingulata Cleve.	[67]
16	Amphora angusta var. culensteinii Grun.	[67]
17	Amphora arenaria Donk.	[67]
20	Amphora acuta Greg.	[66]
AURICULA
2	Auricula mucronata (H. L. Smith) Peragallo	[69]

PLATE 16