420 CRAYFISHES. 
49. CAMBARUS LONGIDIGITUS. 
Cambarus longidigitus Faxon, Proc. U. 8. Nat. Mus., Feb. 17, 1898, 20, p. 653. 
Cambarus whitmani Steele, Univ. Cincinnati Bull., 1902, no. 10, p. 24. 
Type locality: — James River, Mo. 
Type locality: — Oxford Bend, White River, [Izard Co.?], Ark. Types, 
M. C. Z., No. 4,364; paratypes, U.S. N. M., No. 19,683. 
50. CAMBARUS VIRILIS. 
Cambarus virilis Hagen, Mem. M. C. Z., 1870, 2, p. 63. 
Cambarus debilis Bundy, Bull. Illinois State Lab. Nat. Hist., Dec., 1876, 1, 
p. 24. Type locality: — Baraboo River, Ironton, Sauk Co., Wis. Cotype, 
M. C. Z., No. 3,449 (1 of. II.). 
Cambarus couesi Streets, Bull. U. S. Geol. Surv. Terr., 1877, 3, p. 803. 
Type locality: — Red River of the North, near Pembina, Pembina Co., N. 
Dakota. Cotypes, U.S. N. M., No. 3,154; M. C. Z., No. 3,545. 
Cambarus viridis Moenkhaus, Proc. Indiana Acad. Sci. for 1902, 1903, p. 111 
(per errorem vice “‘virilis”’). 
Type locality: —Lake Superior. Types, M. C. Z., No. 1,151; paratypes, 
M. C. Z., No. 194, 203 (Lake Superior), No. 196 (Quincy, IIl.), No. 3,342 (Lake 
Winnipeg), No. 3,343 (Red River of the North), No. 3,344 (Saskatchewan 
River); Mus. Hist. Nat. Paris (Lake Superior); Wiirzburg Mus. (Lake Superior) ; 
Australian Mus., Sydney. 
51. CAMBARUS PILOSUS. ; 
Cambarus pilosus Hay, Proc. U.S. Nat. Mus., Oct. 11, 1899, 22, p. 121. 
Type locality: — Beloit, Mitchell Co., Kansas. Cotypes, U. 8. N. M., No. 
19,761 (6 of. II.); M.C. Z., No. 7,889 (1 o' f. IT). 
52. CAMBARUS ALABAMENSIS. 
Cambarus alabamensis Faxon, Proc. Amer. Acad., 1884, 20, p. 125. 
Type locality: — Second Creek, Waterloo, Lauderdale Co., Ala. Cotypes, 
U.S. N. M., No. 4,876; M. C. Z., No. 3,565. 
53. CAMBARUS NAIS. 
Cambarus nais Faxon, Bull. Washburn College Lab. Nat. Hist., 1885, 1, 
p. 140. 
Type locality: —Labette Co., Kansas. Cotypes, Mus. Washburn College, 
Topeka, Kan.; M. C. Z., No. 3,755. 
