﻿218 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 102 



Collected with P. verrucosus in the type locality were five specimens 

 of P. versutus (Hagen, 1870, p. 51). 



The name verrucosus refers to the granulate condition of the 

 carapace. 



LITERATURE CITED 

 Creaser, E. p. 



1934. A new crayfish from North Carolina. Occ. Pap. Mus. Zool. Univ. 

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 Faxon, Walter. 



1884. Descriptions of new species of Camtm^us; to which is added a synonym- 

 ical list of the known species of Camtarus and Astacus. Proc. 

 Amer. Acad. Arts and Sci., vol. 20, pp. 107-158. 

 1885a. A revision of the Astacidae. Mem. Mus. Comp. Zool., vol. 10, No. 4, 



pp. 1-179, 10 pis. 

 1885b. A list of the Astacidae in the United States National Museum. Proc. 



U. S. Nat. Mus., vol. 8, pp. 356-361. 

 1890. Notes on North American crayfishes — family Astacidae. Proc. U. S. 



Nat. Mus., vol. 12, pp. 619-634. 

 1914. Notes on the crayfishes in the United States National Museum and 

 the Museum of Comparative Zoology with descriptions of new species 

 and subspecies to which is appended a catalogue of the known species 

 and subspecies. Mem. Mus. Comp. Zool., vol. 40, No. 8, pp. 351-427, 

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 GiRARD, Charles. 



1852. A revision of the North American Astaci with observations on their 

 habits and geographical distribution. Proc. Acad. Nat. Sci. Phila- 

 delphia, vol. 6, pp. 87-91. 

 Hagen, H. A. 



1870. Monograph of the North American Astacidae. Ulus. Cat. Mus. Comp. 

 Zool., pt. 3, pp. 1-109, pis. 1-11. 

 Harris, J. Arthur. 



1903. Aq ecological catalogue of the crayfishes belonging to the genus Cam- 

 ha/rus. Kansas Univ. Sci. Bull., vol. 2, No. 3, pp. 51-187, 5 pis. 

 Hay, W. p. 



1899. Synopses of North American invertebrates, VI : The Astacidae of 

 North America. Amer. Nat., vol. 33, pp. 957-966, 1 fig. 

 HoBBS, HORTON H., Jr. 



1940. Seven new crayfishes of the genus Cambarus from Florida, with notes 

 on other species. Proc. U. S. Nat. Mus., vol, 89, pp. 387^23, figs. 14- 

 22. 

 1942a. On the first pleopod of the male Cambari (Decapoda, Astacidae). 



Proc. Florida Acad. Sci., vol, 5, pp. 55-61, 2 pis. 

 1942b. A generic revision of the crayfishes of the subfamily Cambarinae 

 (Decapoda, Astacidae) with the description of a new genus and 

 species. Amer. Midi. Nat., vol. 28, No. 2, pp. 334-357, 3 pis. 

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 No. 2, pp. 1-179, 3 figs., 24 pis., 11 maps. 

 LeConte, John. 



1856. Description of new species of Astacus from Georgia. Proc. Acad. Nat. 

 Sci. Philadelphia, vol. 7, pp. 400-402. 



