45 



Loxodes rostrum O. F. M. 



Chilodon cucullulus Ehr. 



Uronema marinum Duj. 



Loxocephalus gramdosus Kent. 



Paraiiioecium caudatum Ehr. 



Cyclidium glaucoma O. F. M. 



Lenibus velifer Cohn. 



Tillina megastoma Smith. 



BlcpJiarostoma pigeri'ima Cohn sp. { = Colpoda pigerrima Cohn 

 andCryptocliilinin fusiforme Gourret & Roesser.) 



Metopus sigmoides C. & L. 



Condylostoma patens O. F. M. 



Strombidium caudatum From. 



Urostyla grandis Ehr. 



Gonostomum pediculiforme Cohn sp. 



Oxytricha pellionella O. F.' M. 



Stylonychia pustidata O. F. M. 



Stylonychia mytilus O. F. M. 



Euplotes harpa Stein. 



Euplotes charon Ehr. 



Aspidisca lynceus Ehr. 



Aspidisca turrita C. & L. 



Aspidisca costata Duj. 



Ur onychia transfuga O. F. M. 



Diophrys appendiadatus Stein, 



This Hst represents 46 species and 40 genera, and includes of 

 the Rhizopoda 3, Hehozoa 2, Mastigophora 11 and Infusoria 30 

 species. 



Forms from the Surface Plankton of the Gulf : 



Discorbina sp. 



Acanthochiasma sp. 



Perdinium diver gens Ehr. 



Ceratium tripos Ehr. 



Ceratium fusus Ehr. 



Ceratium furca Ehr. 



Tintinnopsis beroidea Stein. 



Blepharostoma pigerrima Cohn sp. 



Diophrys appendiculatus Stein. 



This represents 9 species and 7 genera, consisting of Rhizo- 

 poda 2, Mastigophora 4 and Infusoria 3. Of the latter, the two 

 last quoted are evidently littoral forms transported. 



