170 A REVISION OF THE ASTACID^. 



C. Sloanii. Neighborhood of Louisville ? 



0. propinquus, var. Sanbornii. Smoky Creek, Carter Co. 



C. rusticus. Kentucky River, Little Hickman ; Perry ville, Boyle Co. ; Salt Paver ; 



Cumberland Gap. 

 C. Putnami. Grayson Springs ; Green River, near Mammoth Cave ; Cumberland 



Gap. 



27. TENNESSEE. Twelve species : C. Blandingii, var. acuta, C. Bartonii, C. latimanus, 



C. dubius, C. extraneus, C. hamulatus, C. immunis, var. spinirostris, C. Palmeri, 



C. rusticus, C. spinosus, C. Putnami, and C. forceps ? Probably also C. virilis 



and C. Diogenes. (See pages 72, 98.) 

 C. Blandingii, var. acuta. Memphis. 

 C. Bartonii. Cumberland Gap ; Doe River, Carter Co. ; Lineville Cave, near 



Blountsville, Sullivan Co. ; Kuoxville. 



C. latimanus. Ashland City, Cheatham Co. (Cumberland River). (See page 69.) 

 C. dubius. Cumberland Gap. 



C. extraneus. Tennessee River, near the border of Georgia. 

 C. hamulatus. Nickajack Cave, in the southern part of the State. 

 C. immunis, var. spinirostris. Obion Co., in the northwestern corner of the State. 

 C. Palmeri. Obion Co. 

 C. rusticus. Cumberland Gap ; Lebanon. 

 C. spinosus. Tennessee River, near the border of Georgia. 

 C. Putnami. Cumberland Gap ; Kuoxville ? 

 C. forceps 1 Knoxville. (See page 119.) 



28. MICHIGAN. Four species : C. Diogenes, argillicola, immunis, and propinquus. Also 



C. Bartonii and C. rusticus in Lake Superior. 

 C. Diogenes and C. immunis have been found at Detroit. 

 C. argillicola, at Detroit and East Saginaw. 

 C. propinquus, in St. Glair Paver and Detroit River ; at Northville ; Ann Arbor ; 



Ecorse ; and Otsego (Kalamazoo River). 



29. WISCONSIN. Seven species : C. Blandingii, var. acuta, C. gracilis, Diogenes, immunis, 



propinquus, virilis, and rusticus. 



C. Blandingii, var. acuta, is recorded from Racine, on Lake Michigan, and from 

 Sank City, on the Wisconsin River. 



C. gracilis. Racine. 



C. Diogenes. Tributaries of Pecatonica River, Green Co. ; Appleton ; Racine. 



C. immunis. Milwaukee. 



C. propinquus. Tributaries of Pecatouica River, Green Co. ; Madison. 



C.i-iriitf. This appears to be common. It has been received from Appleton; 

 Baraboo River, Ironton; Sauk City; Wisconsin River; Sugar River; Rock- 

 River; Jefferson; and Milwaukee. 



C. rusticus. Racine ; Beloit ; Irouton ; Fox River. 



30. MINNESOTA. Two species: C. immunis and C. virilis, the former from Richfield, 



Hennepin Co., the latter from Lake Superior, Mississippi River, and lakes and 

 streams in Hennepin Co. 



31. IOWA. Seven species : C. Blandingii, var. acuta, C. gracilis, Diogenes, immunis, pro- 



pinquus, virilis, and rusticus. 



C. Blandingii, var. acuta. West Liberty, Dubuque. 

 C. gracilis and C. Diogenes. Davenport. 



