CRAYFISHES. 417 



Type locality: — Mazatlan, State of Cinaloa, Mexico. Types, M. C. Z., No. 

 3,652. s-e 



§ \'I. Third segment of third pair of legs of male hooked. First pair of ^' 



abdominal appendages of male (usually elongate) split into two rami, straight ' ^ ' " ^'' 



or somewhat ^recurved, and acute at the tips. (Subg. Faxonius of Ortmann.) 



33. Cambarus harrisonii. 



Cambarus harrisonii Faxon, Proc. Amer. Acad., ISS-l, 20, p. 130. 

 Type locality: — Irondale, Washington Co., Mo. Types, M. C. Z., No. 3,586; 

 paratypes, U. S. N. M., No. 25,826. 



34. Cambarus sloanii. i'~i*^ 



Cavibarus sloanii Bundj% Bull. Illinois State Lab. Nat. Hist., Dec, 1876, 1, 

 p. 24. 



Type locality: — 'New Albany, Floyd Co., Ind. Types, M. C. Z., No. 3,806 

 (1 c^-f.L, 1 9). 



35. Cambarus indianensis. 



Cambarus indianensis Hay, 20th Ann. Rept. Depart. Geol. & Nat. Resources 

 Indiana, 1896, p. 494. 



Type locality: — Patoka River at Patoka, Gibson Co., Ind. Types, U. S. 

 N. M., No. 14,624, 2 cf f. I., 2 9 ; paratypes, M. C. Z., No. 3,859, 2 c^ f. I., 2 9 . 



36. Cambarus affinis. 37^ 



fCambarus limosus Rafinesque, Amer. Monthly Alag. & Crit. Rev., Nov. 

 1817, 2, p. 42. Type locality: — In the muddy banks of the Delaware River, 

 near Philadelphia, Pa. (Indeterminable from the description; types not extant.) 



Cambarus affinis Say, Journ. Acad. Nat. Sci. Philad., 1817, 1, p. 168. 



Cambarus pealei Girard, Proc. Acad. Nat. Sci. Philad., 1852, 6, p. 87. Type 

 locality: — Potomac River at Washington, D. C. Type, U. S. N. M., No. 2,081 

 (2 c^,2 9). 



Type locality: — Delaware River. 



37. Cambarus propinquus. ^ ^ ^ 



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



Type locality: — Garrison Creek, Sacket Harbor, Jefferson Co., N. Y., 

 Four-mile Creek, Oswego, Oswego Co., N. Y. Types probably destroyed in the 

 Chicago fire in 1871; paratype (?), Acad. Nat. Sci. Philad. (1 c?). 



37a. Cambarus propinquus sanbornii. ^^' 



Cambarus sanbornii Faxon, Proc. Amer. Acad., 1884, 20, p. 128. 



