<i'y 



422 CRAYFISHES. 



58. Cambarus mississippiensis. 

 Caynbarus mississippiensis Faxon, Proc. .^ner. Acad., 1884, 20, p. 123. 



Type locality: — Macon, Noxubee Co., Miss. Types, Coll. 0. P. Hay; 

 paratijpe,M.C.Z.,No.3,5^3{l 9). 



59. Cambarus lancifer. ,j - ^ 

 Carnharus lancifer Hagen, Mem. M. C. Z., 1870, 2, p. 59. 

 Cambarus faxonii Meek, Amer. Nat., Dec. 1894, 28, p. 1042. Type locality: 



St. Francis River at Greenway and Big Bay, Arkansas. Cotypes, U. S. N. M., 

 No. 19,331; M. C. Z., No. 4,220; Mus. Zool. Torino. 



Type locality: — Root Pond, Miss. Type, M. C. Z., No. 306 (1 cf f. I.). 



^__,.^ § VII. Third segment of third pair of legs of male hooked. First pair of 



abdominal appendages of male short and thick, terminating in two large recurved 

 tooth-like processes, the larger formed by the outer part of the appendage, the 

 /' smaller by the inner. (Subgen. Bartonius of Ortmann.) 



60. Cambarus hamulatus. 



Orconectes hamulatus Cope and Packard, Amer. Nat., Nov. 1881, 15, p. 881. 



Type locality: — Nickajack Cave, Tennessee. Cotypes, M. C. Z., No. 3,678 

 (1 d^f. II., 1 9). 



61. Cambarus setosus. 



Cambarus setosus Faxon, Bull. M. C. Z., Dec. 1889, 17, p. 237. 

 Type locality: — Wilson's Cave, Jasper Co., Missouri. Types, M. C. Z., 

 No. 4,200; paratypes, M. C. Z., No. 4,201, 4,202; U. S. N. M., No. 25,828. 



62. Cambarus ayersii. 



Cambarus ayersii Steele, Univ. Cincinnati Bull., 1902, No. 10, p. 18. 



Type locality: — Fisher's Cave, near Springfield, Greene Co., Missouri. 



63. Cambarus extraneus. 



Cambarus extraneus Hagen, Mem. M. C. Z., 1870, 2, p. 73. 

 Type locality: — Tennessee River, Tenn., near the boundary of Georgia. 

 Types, M. C. Z., No. 175; paratype, U. S. N. M., No. 4,957. 



63a. Cambarus extraneus girardianus. 



Cambarus girardianus Faxon, Proc. Amer. Acad., 1884, 20, p. 117. 



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

 No. 4,882; M. C. Z., No. 3,560. 



