GEOGKAPHICAL DISTRIBUTION. 169 



C. Blandlngii, var. acuta, has been received from Wheatland, Knox Co., in the 



southeastern part of the State. 

 C. pellucklm inhabits Wyandotte Cave, Crawford Co., and caves in Harrison Co. 



Both of these counties are on the southern border of the State. 

 C. Bartonii has been collected at New Albany, on the Ohio River, and at Indian- 

 apolis. 

 ,^,^ C. Diofjcncs is recorded from Long Lake, Kendallville, Noble Co. ; Mechanicsburg, 



^ Henry Co. ; 'tod^JKHex-Cor 



C argillicnla is found at New Albany, t 



C. iminunU conies from White liiver ; Fall Creek, Indianapolis ; and Long Lake, 



Kendallville. 

 C. Sloanii. New Albany. 

 C. jn'opinquus seems to be a common and widely distributed species. Known 



localities: Elkhart Eiver, Rome City, Noble Co.; Delphi; Indianapolis; White 



River ; Switz City ; Michigan City ; Turman Creek, Sullivan Co. ; Clear Creek, 



Bloomingtou. 

 C. virilis. JMichigau City ; Long Lake, Kendallville ; Elkhart River, Rome City. 



All of these places are in the northern part of the State. 

 C. rusticas. Ohio River, Madison ; White Eiver ; Indianapolis. 

 25. Illinois. — Eight species : C. Blandingii, var. acuta, C. gracilis, C. Bartonii, var. rohusta, 

 • C. Diogenes, C. immunis, C. propinquus, C. virilis, and C. rusticiis. 

 C. Blandingii, var. acuta. This is a very common species in Illinois. It is 



recorded from Athens, Decatur, Pekin, Normal, Oquawka, Peoria, Lawn Ridge, 



and Evauston. 

 C. grctcilis. Normal, Lawn Ridge, Athens. " Very common along watercourses in 



early spring." Forbes. 

 C. Bartonii, var. rohusta. One locality in tlie State, viz. Decatur. 

 C. Diogems. Lawn Ridge, Evauston, Belleville, Decatur, Chicago, and Abingdon. 



Very common. 

 C. immunis. Aux Plains [?], Belleville, Lawn Ridge, Normal, and Oqiiawka. 



" The commonest species of Central Illinois. It is especially frequent in the 



muddy ponds of the prairies." Forbes. 

 C. propiiuiuus. Freeport; Ogle Co.; Geneva; Pekin; Normal; Decatur; Aux 



Plains River. 

 C. virilis. Quincy ; Lawn Ridge ; Decatur ; Normal ; Pekin ; Cairo ; Geneva ; 



Stillman's Creek, Marion. 

 C. rxisticus. Quincy (6*. placidxLs Hagen) ; Normal. 

 C. troglodgtcs has been cited by Hagen as an Illinois species on the authority of a 



single specimen in the Museum of Comparative Zoology (No. 11J7) marked 



" Lawn Ridge, 111., 0. Ordway." I am inclined to think the label erroneous. 

 20. Kentucky. — Nine species: C. pcllucidus, C. Bartonii, C. Diogenes'? C. duhins, C. cor- 



nutus, C. Sloanii, C. propinquus, var. Sanhornii, C. rusticus, and C. Buinami. 

 C. peliucidus. Mammotli Cave and other caves in Edmonson Co. 

 C. Bartonii. Cumberland Gap, Josh Bell Co. ; Smoky Creek, Carter Co. ; Ken- 

 tucky River, Little Hickman, Jessamine Co. ; Bear Creek, Grayson's Springs, 



Grayson Co. ; Mammoth Cave, Edmonson Co. 

 C. dubius. Cumberland Gap. 

 C. cornutus. Green River near Mammoth Cave. 



