CRAYFISHES. 415 



26. Cambarus wiegmanni. 



Astacus {Cambarus) wiegmanni Erichson, Ai'chiv Naturgesch., 1846, 12, 

 1, p. 99. 



Type locality: — Mexico. Type apparently lost from the Berlin Mus. 



27. Cambarus hinei. 



Cambarus (Cambarus) hinci Ortmann, Ohio Naturalist, Dec. 1905, 6, p. 401. 



Type locality: — Near Cameron, Cameron Co., La. 



28. Cambarus alleni. 



Cambarus alleni Faxon, Proc. Amer. Acad., 1884, 20, p. 110. 



Type locality: — St. John's River, Hawkinsville, Orange Co., Fla. Type, 

 M. C. Z., No. 3,"31 (1 d" f. I.). 



29. Cambarus pellucidus. 



Astacus pellucidus Tellkampf, .\rch. Anat. Physiol, wiss. Med., 1844, p. 383. 



Orconectes inermis Cope, Amer. Nat., July, 1872, 6, p. 419; 3d and 4th Ann. 

 Rept. Geol. Siu"v. Indiana, 1872, p. 173. Type locality: — Wyandotte Cave, 

 Indiana. 



Type locality: — Mammoth Cave, Kentucky. Type, Berlin Mus. 



29a. Cambarus pellucidus testii. 



Cambarus pellucidus, var. testii Hay, Proc. Indiana Acad. Sci., 1891, p. 148; 

 Proc. U. S. Nat. Mus., Sept. 28, 1893, 16, p. 285. 



Type locality: — Mayfield's Cave, Mom-oe Co., Ind. Types, U. S. N. M., 

 No. 17,702; paratypcs, U. S. N. M., No. 19,765, 19,766, 22,431; M. C. Z., No. 

 7,431. 



§ IV. Third segment of fourth pair of legs of male hooked. Inner and 

 outer parts of the first pair of abdominal appendages of male closely appressed, 

 outer part terminating in a recurved horny (in form I.) tooth; the inner part 

 giving off a long horny (in form I.) spine at an acute angle with the axis of the 

 limb. (Subgen. Paracambarus of Ortmann.) 



30. Cambarus paradoxus. 



Cambarus (Paracambarus) paradoxus Ortmann, Proc. Washington Acad. 

 Sci., May 3, 1906, 8, p. 3. 



Type locality: — Sierra de Zacapoaxtla, State of Puebla, Mexico ("ruis- 

 seaux torrentueux des montagnes, a le canada de Tetela de Ocampo"). Types, 



