GENEKA AND SPECIES. 189 



Page. 

 Closterium moniliferum . . . . . 67 



setaceum (Drop I. fig. 10) . . . 68 



Colacium stentorinum . . . . . .108 



vesiculosum 108 



Cosmarium margaritiferum (Drop I. fig. 4) . 64 



Cothuriiia imberbis (Drop III. fig. 5) . . . 129 

 Cyclidium glaucoma . . . . .115 



Cryptoglena conica . . . . . . 87 



Cryptomonas . . . . . . . 86 



Cyclops quadricomis . . . . . .-180 



Cypliidium aureolinn 113 



Cypris . . . . . . . .180 



Desmidium quadrangulatum . . . . . 61 



Swartzii (Drop I. fig. 1) . . . . 60 



Difflugia proteiformis (Drop II. fig. 13) . . . 112 

 Dinobryon sertularia (Drop II. fig. 11) . . . 109 

 Distigma tenax . . . . . . .108 



wide 108 



Doxococcus inequalis 85 



pulvisculus ....... 85 



niber (Drop II. fig. 2) 85 



Echinella 77 



Epistylis anastatica 127 



