CRAYFISHES. 415 
26. CAMBARUS WIEGMANNI. 
Astacus (Cambarus) wiegmanni Erichson, Archiv Naturgesch., 1846, 12, 
yop Se) 
Type locality: — Mexico. Type apparently lost from the Berlin Mus. 
27. CAMBARUS HINEI. 
Cambarus (Cambarus) hinei 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. 3,531 (1 @ £. 1.). 
29. CAMBARUS PELLUCIDUS. 
Astacus pellucidus Tellkampf, Arch. Anat. Physiol. wiss. Med., 1844, p. 383. 
Orconectes inermis Cope, Amer. Nat., July, 1872, 6, p. 419; 3d and 4th Ann. 
Rept. Geol. Surv. Indiana, 1872, p. 173. Type locality: — Wyandotte Cave, 
Indiana. 
Type locality: — Mammoth Cave, Kentucky. Type, Berlin Mus. 
29a. CAMBARUS PELLUCIDUS TESTI. 
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, Monroe Co., Ind. Types, U. 8. N. M., 
No. 17,702; paratypes, 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 cafada de Tetelade Ocampo’’). Types, 
