■1-20 Illinois State Laboratory of Natural History. 



Cypris reticulata Zadd. Ponds, Normal, Feb., (2), and 

 April, (5); Cypress swamp, Ky., Sept., (1). 



fuscata Jurine. Pond, Urbana, April. 



testudinaria n. sp. Pond in woods, Blooraington, 

 April . 

 Ccmdona acuminata Fischer. Pond, Clifton, May, (2). 



recticoMda n. sp. Pond, Clifton, Feb. 



simx>soni n. sp. Lake and river shores, Havana, April, 

 (4), May, (3), Oct., (1), and Nov., (1); pond, 

 Urbana, April, (3). 



fdbmformis Fischer. Abundant in March and April 

 in small pools (Vavra); pools, Normal, March; 

 August (Turner). 



sigmoides, n. sp. Lake and river shores, Havana, May, 

 (2), and Oct., (1). 



reflexa n. sp. Lake shore, Havana, April, May, and 

 Nov., (1). 

 Cypria pustulosa n. sp. Bottom tows in rivei- channel, 

 surface and bottom tows in lakes, and lake and 

 river shores, Havana, May, (2), July, (1), Aug., 

 (1), and Sept., (2). 



ol)esa n. sp. Lake shore, Havana, May, (3). 



dentifera n. sp. Zoological Gardens, Cincinnati, 0., Aug. 



exscidpta Fischer. Common in most running streams. 

 Bottom tow in v'wqv channel, lake and river 

 shores, Havana, April, (1), May, (3), July, (2), 

 and Oct., (1); ponds, Clifton, Feb. and May, 

 (3); Normal, May; shore of L. Minnetonka, July, 

 (1); Fourth Lake, Aug., (1). 



ophthahnica Jurine. Surface and bottom tows in river 

 channel, (2), surface and bottom tows in lakes, 

 and lake and river shores, Havana, Feb., (l),Apr., 

 (1), May, (3), June, (2), July, (1), Aug., (3), 

 Sept., (2), and Oct., (1). A scavenger and act- 

 ive swimmer (Vavra). Common in ponds and 

 ditches where there is little or no vegetation 

 (Brady). Pools, Normal, March, (4); shore of 

 L. Minnetonka, July, (1). 



