PROTOZOA OF HIGH MOUNTAIN LAKES IN COLORADO 7 1 



Chrysomonas Stein. C. pulchra (?) Stokes. 



A species corresponding to Stokes's species except for the lack of green coloring 

 matter. Very common in Reynolds' Lake. 



Order CHLOROFLAGELLIDA 



Pandorina Bory d. St. Vincent. P. elegans Ehr., Jenny Lake. Also common in Long 

 Lake. 



Subphylum Infusoria 



Class CILIATA 



Order HOLOTRICHIDA 



Family ENCHELINIDAE 



Coleps Ehrenberg. C. hirlus Ehr., Long Lake, common. 



Lacrymaria Ehrenberg. L. olor Mull., Redrock Lake; L. truncala Stokes, Ice Lake. 



Neither species was found to be widely distributed. 

 Prorodon Ehrenberg. P. teres Ehr., Ohmond Lake and many other lower lakes. 

 Mesodinium Stein. An undetermined species observed at Corona, not common. 



Family TRACHELILDAE 



Lionotus Wrzesniowski. L. fasciola Ehr., Jenny Lake. 



Common in the lower lakes. 

 Dileptus Dujardin. D. gigas C. and L., Corona Lake. 



Apparently not a common species at high altitudes. 

 Loxodes Ehrenberg. L. rostrum Ehr., Redrock Lake. 



Not common. 

 Amphileptus Ehrenberg. A. meleagris Ehr., Yankee Doodle Lake. 



Family CHLAMYDODONTLDAE 



Chilodon Ehrenberg. C. cucullulus Mull., Ice Lake. 



A very common species in many lakes. 

 Nassula Ehrenberg. N. oronala Ehr., Reynolds' Lake. 



Family CHILIFERIDAE 



Leucophrys Ehrenberg. 



An unidentified species common in Jenny Lake is referred to this species pro- 

 visionally. The form possesses chlorophyll while the species L. patula Ehr. does not. 



Family COLPODLDAE 



Colpoda Miiller. C. helia Stokes, Corona and lower lakes. C. campyla Stokes, Yankee 



Doodle Lake; C. saprophyla Stokes, Corona and Jenny lakes. 

 Colpidium Stein. C. striatum Stokes, Jenny Lake. 

 Not common. 



