DIATOMEAE. 629 



TEOPIDONEIS Cleve. 

 Tropidoneis lepid6ptera (Greg.) Cleve. Not common. 



EPITHEMIA Breb. 

 Epithemia Musculus Kiitz. Eare. 



NITZSCHIA Hassall. 



Nitzschia apicuia.ta (Greg.) Grun. Common. 

 Nitzschia Sigma (Kiitz.) W. Smith. Eare? 

 Nitzschia valida Cleve & Grun. Eare. 



SUBIEEIjIiA Turpin. 



Surirella fastuosa Ehrenb. Eare. 

 Surirella recedens A. Schmidt. Eare. 



PODOCYSTIS Kutz. 

 Podocystis adriatica Kiitz. Local. 



CAMPYLODISCUS Ehrenb. 



Campylodiscus simulans Greg. Eare. 

 Campylodiscus imperialis Grev. 



The following list contains additional names of species occurring in the 

 harbor .mud of Nassau, as reported by Tempore (Diatom^es du Monde entier, 

 144, 375. 1915). To avoid inconsistency, the nomenclature, in some instances, 

 is revised to agree with the classification of Cleve, Van Heurck, Deby, Grunow 

 and others. Nearly all of the forms are more or less common along the Atlan- 

 tic coast. 



Meloseira arenarla Moore. 



Meloseira sulcata Kiitz. 



Coscinodiscus conciimus Jonesianus (Grev.) Eattray. 



Coscinodiscus excentricus Ehrenb. 



Coscinodiscus leptopus Grun. 



Coscinodiscus marginatus Ehrenb. 



Coscinodiscus nitldulus Grun. 



Coscinodiscus nitidus Greg. 



Coscinodiscus nodiilifer Janiseh. 



Coscinodiscus obsciirus A. Schmidt. 



Coscinodiscus radiatus Ehrenb. 



Coscinodiscus K6thii Grun. 



Actinoptychus splendens (Shadb.) Ealfs. 



Actlnoptychus undulatus (Bailey) Ealfs. 



Actinoptychus vulgaris Schumann. 



Actinocyclus fasciculatus C'astr. 



Actinocyclus moniliformis Ealfs. 



Actinocyclus Rotula Brun, var. 



Euddia Glbba Bailey. 



Roperia tessellata (Eoper) Grun. 



Auliscus caelatus Bailey. 



Aullscus reticnlatus Grev. 



Biddulphia AntUlarum (Cleve) Boyer. 



BiddulpMa arctica (Brightw.) Boyer. 



