418 CRAYFISHES. ; \ 
Type locality: — Oberlin, Lorain Co., Ohio. Types, M. C. Z., No. 3,692; 
paratypes, 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; 
Wiirzburg Mus.; Australian Mus., Sydney. 
39. CAMBARUS ERICHSONIANUS. 
Cambarus erichsonianus Faxon, Proc. U. 8. 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.; Quincy, Adams Co., IIl.; Texas. Cotypes, M. C. Z., 
No. 289, 296, 170; U.S. N. M., No. 4,966; Mus. Hist. Nat. Paris; Wiirzburg 
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. 218, 3,347; U.S. 
N. M., No. 4,967; Mus. Hist. Nat. Paris; Wurzburg Mus.; Australian Mus. 
Cambarus wisconsinensis Bundy, Bull. Ill. State Lab. Nat. Hist., Dec., 1876, 
1, p. 4. Type locality: — Racine, Racine Co., Wisconsin. Type, M. C. Z., 
No. 3,448 (1 of. ID). 
Type locality: — Ohio River, at Cincinnati, Ohio. Types probably destroyed 
in the Chicago fire in 1871; paratype (?), Acad. Nat. Sci. Philad. 
41. CAMBARDS FORCEPS. 
Cambarus forceps Faxon, Proc. Amer. Acad., 1884, 20, p. 133.” 
Type locality: — Cypress Creek, Lauderdale Co., Ala. Cotypes, U. 8. 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, 
