THE PLANKTON OF SHAWNEE CAVE. 40 1 



Plcuroxus hamatus Birge. 



Cypris sp. 



Cainpodea stapliylinus (?) Westwood. 



Larvae of diptera and coleoptera rarely. 



TROCHELMINTHES. 



Asplanchna ebbesborni Hudson. 

 Triarthra longisetce Ehrenberg. 

 CatJiypna luna Ehrenberg. 

 Monastyla lunaris Ehrenberg. 

 M. bulla Gosse. 

 Branchionis militaris Ehrenberg. 



B. bakeri Ehrenberg. 



Noteus quadricornus Ehrenberg. 

 Amir a coclilearis Gosse. 

 NotJwlca lougispina Kellicott. 



ALGJE. 



CEdogonium sp. 

 Cladophora sp. 

 Vaucheria sp. 

 Spirogyra sp. 

 Zygnema sp. 

 Closteriiun subcostatum Nord. 



C. lanceolatum Kg. 

 Cosmarium sp. 

 Micrasterias sp. 



Volvox globator Ehrenberg. 

 V. aurens Ehrenberg. 

 Pandorina morum Bory. 

 Pleurococcus sp. 



Pediastrum boryanum Menegh. 

 Senedesmus sp. 

 Sph&rocystis schrceteri Chod. 

 Nostoc minutissimum Kg. 

 Oscillatoria sp. 



