310 



INVERTEBRATE FAUNA OF SOUTH CAROLINA. 



Mag. Nat. Hist., Febr., 1881, on the known species of Spongilla\ also, to 

 Mr. E. Potts, Acad. Nat. Sci., Phila., Pa., who is making a special study of 

 Fresh Water Sponges. 



MICROSCOPIC PROTOZOANS. 



[Most of the following Rhizopads and infusoriuns were originally described by 

 Ehrenberg.] 



Amreba proteus 

 Amblyophis viridis. 

 Amphileptas anser. 

 A reel! a dentata. 

 Difflugia pi'oteiformis. 

 Dinobryon sertularia. 

 Epistylis anastatica. 

 Euglena pleuronectes. 

 Hydatina senta. ' 



Lepadella ovalis. 

 Megalotrocha alboflavicans 

 Monostyla lunaris. 

 Ophrydium versatile. 

 Peridininm carolinianum Bailey.* 

 Pterodina patina. 

 Scardidiuni longicaudum. 

 Squamella oblonga. 

 Vorticella clorostigma. 



Arcella vulgaris. 

 Difflugia spiralis Bailey. 



Euglena viridis. 



Peridiniuni cinctum Ehrenberg. 



The following Protozoans belonging to the Rhizopoda, as defined by Leidy, are so 

 wide spread in the fresh waters of the United States-, that they probably all occur in 

 South Carolina. They are to be looked for in the ooze of ponds, among Sphagnum in 

 swamps, etc. 



Amoeba verrucosa Ehrenberg. 

 Pelomyxa villosa. 

 Difflugia pyriformis Perty. 



urceolata Carter. 



cratera Leidy. 



acuminata Ehrenberg. 

 Xebela collaris Ehren 

 Arcella discoides Ehren. 



Ama3ba radiosa. 



Difflugia lobostoma Leidy. 

 corona Wailich. 

 constricta Ehren. 



Arcella mitrata Leidy. 



