418 CRAYFISHES. 



Type locality: — Oberlin, Lorain Co., Ohio. Types, M. C. Z., No. 3,692; 

 paratypcs, M. C. Z., No. 3,587 (Smoky Creek, Carter Co., Ky.). 



38. Cambarus obscurus. 



Cambarus obscurus Hagen, Mem. M. C. Z., 1870, 2, p. 69. 



Type locality: — Genesee River, Rochester, Monroe Co., N. Y. Cotypes, 

 M. C. Z., No. 181, 3,353, 3,354; U. S. N. M., No. 4,971; Mus. Hist. Nat. Paris; 

 Wlirzburg Mus.; Austrahan Mus., Sydney. 



39. Cambarus erichsonianus. 



Cambarus erichsonianus Faxon, Proc. U. S. Nat. Mus., Feb. 17, 1898, 20, 

 p. 659. 



Type locality: — Rip Roaring Fork, five miles northwest of Greeneville, 

 Greene Co., Tenn. Cotypes, U. S. N. M., No. 20,787; M. C. Z., No. 4,347. 



40. Cambarus rusticus. 



Cambarus rusticus Girard, Proc. Acad. Nat. Sci. Philad., 1852, 6, p. 88. 



Cambarus placidus Hagen, Mem. M. C. Z., 1870, 2, p. 65. Type locality: — 

 Lebanon, Wilson Co., Tenn. ; (Juincy, Adams Co., 111. ; Texas. Cotypes, M. C. Z., 

 No. 289, 296, 170; U. S. N. M., No. 4,966; Mus. Hist. Nat. Paris; Wurzburg 

 Mus.; Australian Mus., Sydney. 



Cambarus juvenilis Hagen, Mem. M. C. Z., 1870, 2, p. 66. Type locality: — 

 Little Hickman, Jessamine Co., Ky. Cotypes, M. C. Z., No. 213, 3,347; U. S. 

 N. M., No. 4,967; Mus. Hist. Nat. Paris; Wurzburg Mus.; Austrahan Mus. 



Cambarus wisconsinensis Bundy, BuU. 111. State Lab. Nat. Hist., Dec, 1876, 

 1, p. 4. Type locality: — Racine, Racine Co., Wisconsin. Type, M. C. Z., 

 No. 3,448 (1 d^ f. II). 



Type locality: — Ohio River, at Cincinnati, Ohio. Types probably destroyed 

 in the Chicago fire in 1871; paratypc (?), Acad. Nat. Sci. Philad. 



41. Cambarus forceps. 



Cambarus forceps Faxon, Proc. Amer. Acad., 1884, 20, p. 133. 

 Type locality: — Cypress Creek, Lauderdale Co., Ala. Cotypes, U. S. N. M., 

 No. 4,880; M. C. Z., No. 3,582. 



42. Cambarus neglectus. 



Cambarus neglectus Faxon, Bull. Washburn College Lab. Nat. Hist., Oct. 31, 

 1885, 1, p. 142. 



Type locality: — Mill Creek, Wabaunsee Co., Kansas. Cotypes, M. C. Z., 

 No. 3,757; Mus. Washburn College, Topeka, Kans. 



