The Diatomaceæ of Philadelphia and Vicinity

by Charles S. Boyer

PLATE 8

Fig. Page RHABDONEMA 1-2-3 Rhabdonema arcuatum (Lyng.) Kuetz. [35] 4-5-6 Rhabdonema adriaticum Kuetz. [36] 7 Rhabdonema minutum Kuetz. [36] TABELLARIA 8-9-10 Tabellaria flocculosa (Roth) Kuetz. [36] 11-12 Tabellaria fenestrata (Lyng.) Kuetz. [36] GRAMMATOPHORA 13-14 Grammatophora marina var. subtilissima (Bail.) V. H. [37] 15-16 Grammatophora angulosa var. hamulifera (Kuetz.) Grun. [37] 17-18 Grammatophora marina (Lyng.) Kuetz. [37] 19-20 Grammatophora islandica Ehr. [37] 21 Grammatophora serpentina Ralfs. [37] STRIATELLA 22-23 Striatella unipunctata (Lyng.) Ag. [38] 24 Striatella interrupta (Ehr.) Heib. [38] ATTHEYA 25 Attheya decora West [38]

Fig.		Page
RHABDONEMA
1-2-3	Rhabdonema arcuatum (Lyng.) Kuetz.	[35]
4-5-6	Rhabdonema adriaticum Kuetz.	[36]
7	Rhabdonema minutum Kuetz.	[36]
TABELLARIA
8-9-10	Tabellaria flocculosa (Roth) Kuetz.	[36]
11-12	Tabellaria fenestrata (Lyng.) Kuetz.	[36]
GRAMMATOPHORA
13-14	Grammatophora marina var. subtilissima (Bail.) V. H.	[37]
15-16	Grammatophora angulosa var. hamulifera (Kuetz.) Grun.	[37]
17-18	Grammatophora marina (Lyng.) Kuetz.	[37]
19-20	Grammatophora islandica Ehr.	[37]
21	Grammatophora serpentina Ralfs.	[37]
STRIATELLA
22-23	Striatella unipunctata (Lyng.) Ag.	[38]
24	Striatella interrupta (Ehr.) Heib.	[38]
ATTHEYA
25	Attheya decora West	[38]