DIATOMEAE. 629 



TROPIDONEIS ( Icvo. 

 Tropidoneis lepidoptera (Greg.) Clove. Not (..nm.on. 



EPITHEMIA Hreh. 

 Epithemia Musculus Kiitz. K'aic. 



NITZSCHIA lla>>all. 

 Nitzschia apiculata (Greg.) Grun. Common. 

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

 Nitzschia valida Cleve & Grun. Rare. 



SURIRELLA Tiirpiii. 



Surirella fastuosa Ehrenb. Rare. 

 Surirella recedens A. Schmidt. Rare. 



PODOCYSTIS Kutz. 

 Podocystis adriatica Kiitz. Local. 



CAMPYLODfsCUS Ehrenb. 



Campylodiscus simulans Greg. Rare. 

 Campylodiscus imperialis Grev. 



The following list contains additional names of species occurring in the 

 harbor mud of Nassau, as reported by Tempore (Diatomees du Monde entier, 

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

 is revised to agree with the classification of Cleve, Van Heurek, 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 concinnus Jonesianus (Grev.) Rattray. 



Coscinodiscus excentricus Ehrenb. 



Coscinodiscus leptopus Grun. 



Coscinodiscus marginatus Ehrenb. 



Coscinodiscus nitidulus Grun. 



Coscinodiscus nitidus Greg. 



Coscinodiscus nodulifer .janisch. 



Coscinodiscus obscurus A. Schmidt. 



Coscinodiscus radiatus Ehrenb. 



Coscinodiscus Rothii Grun, 



Actinoptychus splendens (Shadb.) Ralfs. 



Actinoptychus undulatus (Bailey) Ralfs. 



Actinoptychus vulgaris Schumann. 



Actinocyclus fasciculatus C astr. 



Actinocyclus moniliformis Ralfs. 



Actinocyclus Rotula Brun, var. 



Euodia Gibba Bailey. 



Roperia tessellata (Roper) Grun. 



Auliscus caelatus Bailey. 



Auliscus reticulatus Grev. 



Biddulphia Antillarum (Cleve) Boyer. 



Biddulphia arctica (Brightw.) Boyer. 



