THE AMERICAN MIDLAND NATURALIST. 



Chaetoceros decipiens (Cleve) — C. J. Fish. 

 Chaetoceros densum (Cleve) — C. J. Fish. 

 Chaetoceros diadema (Ehrb.) — C. J. Fish. 

 Chaetoceros didymum (Ehrb.) — C. J. Fish. 

 Chaetoceros laciniosum (Schiitt.) — C. J. Fish. 

 Chaetoceros lorenzianum '(Gran) — C. J. Fish. 

 Chaetoceros mitra (Bailey) — C. J. Fish. 

 Chaetoceros peruvianum (Brightw.) — C. J. Fish. 

 Chaetoceros schiittii (Cleve) — C. J. Fish. 

 Chaetoceros teres (Cleve) — C. J. Fish. 

 Chaetoceros ivillei (Gran) — C. J. Fish. 

 Chaetoceros sp. — H. B. Bigelow and C. J. Fish. 

 Climacodium biconcavum CI. — H. B. Bigelow. 

 Ditylium brightwelli (West) — C. J. Fish. 

 Ditylium sp. — C. S. H. vicinity — N. M. G. 



DISCOIDEAE. 



Actinoptychus undidatus (Kuetz) Ralfs — C. J. Fish. 

 Coscinodiscus sp. — H. B. Bigelow. 

 Coscinosdiscus subbulliens (Ehrb.) — H. B. Bigelow. 

 Hyalodiscus stelliger (Bailey) — C. J. Fish. 

 Lysigonium moniliforme (Muell.) — Link. 

 Melosira sulcata (Kuetz) — C. J. Fish. 

 Skeletonema costatum (Grev.) — C. J. Fish. 

 Stephanopyxis Turris (Grev.) Ralfs — C. J. Fish. 

 Stephanopyxis sp. — H. B. Bigelow. 

 Thalassiosira decipiens (Grun) — C. J. Fish. 

 Thalassiosira hyalina (Grun) — C. J. Fish. 

 Thalassiosira nordenskioldii (Cleve) — C. J. Fish. 



FRAGILLARIOIDEAE. 



Asterionella japonica (Cleve) — H. B. Bigelow and C. J. Fish. 

 Fragilaria crotonensis (M. Edwards) — C. J. Fish. 

 Grammatophora marina (Lyngb.) Kuetz. — C. J. Fish. 

 Grammatophora serpentina (Ehrb.) — C. J. Fish. 

 Licmophora flavellata (Smith) — C. J. Fish. 

 Licmophora lyngbyei (Kiitz) Grun. — C. J. Fish. 

 Rhabdonema adriaticum (Kiitz) — C. J. Fish. 

 Striatella unipunctata (Lyngby) Ag. — C. J. Fish. 

 Synedra gallionii (Boyer) — C. J. Fish. 



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