516 Wisconsin Academy of Sciences, Arts, and Letters. 



Mirror lake, 433, 462. 

 Origin of genus Diaptomus, 384, 

 Oregonensis group, 391, 400. 

 Pine lal£e, 426, 430. 

 Primitive species, where located, 385. 

 Primitive structural characters, 390. 

 Rocks, Lake, 433, 462. 

 Round lake, 431. 

 St. Clair, Lake, 428. 

 Seeley lake, 426. 



Shallow water and limnetic forms, dif- 

 ferences between, 388. 

 Shoshone, Lake, 433. 

 Bignicauda group, 397, 401. 



Species distinctions, bases of, 388. 



Stone lake, 428. 



Structure, relation of to habitat, 388. 



Summit lake, 442. 



Tenuicaudatua group, 394, 400. , 



'J'omahawk lake, 426. 



Tulare, Lake, 440. 



'J'urkey lake, 440. 



Twin lakes, 465. 



Typical copepod appendage, 390. 



Water carriage, distribution by, 400. 



West Okobojl lake, 453. 



Winona lake, 437. 



■%^^ 



s S 1 K 



