144 TLA NT MKK oF ALABAMA. 



EtJPODISCUS i;iironl>. 

 Eupodiscus radiatus Hivilty. 



AULACODISCUS Khreiih. 



Aulacodiscus argus (KliriMilt.) A. Schmidt. trijiodixruH <ir<juH Klirenli. Kii])odi.nvii>i 

 tirfiiin \\u\. Sniilli. 



Marine. 



Tampa Hay (d. JL Taylor). New Jprscy. 



ACTINOCYCLUS Kbreub. 

 Actinocyclus ehrenbergii Kalfs. 



Subfamily BIDDULPHIOIDKAP:. 

 CHAETOCEROS Ehrenb. 



Chaetoceros varians (Lauder) Xnn Jicurck. lUicterlastrum variaiin I.auder. 7>. 



curi'dtniii Sbadl). 



TRICERATIUM Ehrenb. 



Triceratium favus Ehrenb. 

 Salt or brackish water. 

 Tauipa Bay {(1. H. Taylor). New .Jersey. 



Triceratium alternans Bailey. 

 Marine. 

 New Jersey. 



Triceratium punctatum Brigbtw. T. sculptum Shadb. 



AMPHITETRAS Ehrenb. 



Amphitetras antediluviana Khrenb. 



Marine. 

 Cosmopolitan. 



ODONTELLA Agh. 



Odontella aurita (Lyngb.) Agh. Diatoma auritum Lyngb. Jiiddulphia aurita Br<^bi8. 

 Marine mud. 

 New Jersey. 



Odontella turgida (Wm. Smith) A'an Henrck. (crataulus iKryidim Ehrenb. 

 Marini! mud. 

 New Jersey. 



CERATAULUS Ehrenb. 

 Cerataulus smithii (Roper) Ralfs. 



TERPSINOE Khrenb. 



Terpsiuoe americana (Bailey) Kalfs. 



New Jersey. 

 Terpsinoe musica Ehrenb. 



Tampa Bay. New Jersey. 



Subfamily FRAGIEARIOIDEAE. 



EUNOTIA Ehrenb. 

 Eunotia arcus Ehrenb. 

 Euiiotia triodon Ehrenb. 



Fresh water. 



New Jersey. 



