A LIST OF THE ENTOMOSTRACA OF COLORADO 245 
Alona guttata (Sars). 
Twin Lakes; *Boulder. 
Alona quadrangularis (O. F. M.) 
*Boulder; *Redrock Lake. I am not sure whether this is different from A. affinis 
from Pike’s Peak and Twin Lakes. The specimens measure .35-.5mm. The claw 
is smooth with a row of very fine cilia. The claw of affinis is regularly toothed. 
Alonopsis latissima Kurz. 
Near Greeley. 
Camptocerus rectirostris biserratus Schoedler. 
Twin Lakes. 
Ceriodaphnia pulchella Sars. 
Pike’s Peak; Twin Lakes. 
Ceriodaphnia reticulata var. dentata Birge. 
Greeley; *Boulder. 
Chydorus sphaericus (O. F. M.) 
“Hayden Survey” (Beardsley). Common about Greeley; Twin Lakes. Occurs 
in most of my collections about *Boulder and from *Redrock Lake. 
(Daphnia brevicauda Chambers] 
From “Hayden Survey.” Considered by Herrickt an incorrectly figured and 
described Simocephalus. 
Daphnia dentifera Forbes. 
*Redrock Lake; *Tolland. The writer is not positive about this identification. 
Daphnia hyalinia Leydig. 
*La Junta. 
Daphnia hyalinia richardi Bruckhardt. 
Twin Lakes. I do not know whether this is the same as the preceding. I have not 
seen the description of this variety. 
Daphnia longispina O. F. M. 
Pike’s Peak. 
Daphma pulex (De Geer). 
Pool above timberline on Mt. Elbert, “‘Hayden Survey;” Greeley; Pike’s Peak; 
Twin Lakes; Lake on University Campus at *Boulder. 
Depanothrix dentata (Euren). 
Twin Lakes. 
Dunhevidia setiger Birge. 
Near *Boulder. 
Eurycerus lamellatus (O. F. M.) 
Twin Lakes; *Tolland. 
t Herrick, C. L., Entomostraca of Minnesota included in the orders Cladocera and Copepoda. Second 
report of State Zodlogist, p. 205, 1895. 
