186 



Marsh — Limnetic Crustacea of Green Lake. 



SERIAL COLLECTION. 



No. 13.96. 

 1896, 6-6:40 p. m., 



Made at Green Lake, Aug. 3, 



with closing dredge 



at permanent station 4; depth 43.5 m. ; 



water, . * small waves ; wind s w. ; sky clear ; , 



temperature, air .. .83;. .. temperature, surface, .. 75; ... temperature, bottom.. . 43; . ., 



Observed Diaptomi, D,minutus, C. fluviatilis egg-bearing. Much fine sand in collec 

 tion : is explained perhaps by the high wind earlier in the day. 



Names. 



0-5 



5-10 



10-15 



15-20 



20-25 



25-30 



30-35 



35-40 



40-45 



45-50 



50-55 



55-60 



Total 



Diaptomus sicilis. . . 



" Ashlqnrji 



760 



1,192 



272 



40 



140 



14 



11 



75 



4 









2,508 



" minutus 





























" oregonensis 



JEpischura lacustris. 



Limnocalanus mac- 

 rurus 





























16 



4 



10 

 1 





















30 



4 



8 



1 



2 



13 











29 



Cyclops brevispino- 

















' ' pulchellus . . 

























































" albidus 





























' ' fluviatilis. . . 



72 



72 



32 



6 



















182 



















































Cyclops larvae 



160 

 4 



12 



56 

 12 



8 





6 



4 

 1 



8 

 6 





2 













180 



Leptodora hyalina. 













5 



Daphnia kahlberg- 



16 

 24 



40 

 2 



8 

 3 

















84 



Bosmina 

















67 



Daphnella 

















36 





























































. 























Pontoporeia Hoyi.. 

























































"Notholca 



Nos 

 < t 



























Ceratium 









































































































































