408 CRAYFISHES. 



Tijpe locaJUij: — River Sarno, Pompeii, Italy. Types, U. S. N. M., No. 

 28,638; paratypes, M. C. Z., No. 7,409. 



7. ASTACUS TORRENTItJM. 



Cancer torrentium Schrank, Fauna Boica, 1803, 3, 1 Abth., p. 247. 



Astacus saxatilis Koch, Deutschlands Crustaceen, Myriapoden und Arachni- 

 den, 1835?, 7, No. 1 (Panzer and Herrich-Schaffer's Deutschlands Insecten, 140, 

 No. 1). Type locality: — Bavaria, in mountain brooks of the Oberpfalz and 

 also in the Danube under stones. 



Astacus tristis Koch, Deutschlands Crustaceen, Mj^riapoden und Arach 

 niden, 1835?, 7, No. 2 (Panzer and Herrich-Schaffer's Deutschlands Insecten, 

 140, No. 2). Type Locality: — Bavaria, in a mountain brook at Bodenstein, 

 Regen River system. 



Astacus longicornis Lereboullet, M6m. Soc. Sci. Nat. Strasbourg, 1858, 5, p. 2. 

 Type locality: — 111 and Bruche Rivers, Alsace. 



Type locality: — Bavaria, in stony streams and also in lakes, e. g. Wurm-See. 



8. Astacus gambelii. 



Cambarus gambelii Girard, Proc. Acad. Nat. Sci. Philad., 1852, 6, p. 90. 

 Type locality: — "California." Types, Acad. Nat. Sci. PMlad. 



8a. Astacus gambelii connectens. 



Astacus gambelii connectens Faxon, supra, p. 360. 



Type locality: — Snake River, Upper Salmon Falls, Idaho. Type, U. S. N. M. 

 No. 23,096; paratype, M. C. Z., No. 7,385. 



9. Astacus nigrescens. 



Astacus nigrescens Stimpson, Proc. Boston Soc. Nat. Hist., Feb., 1857, 6, 

 p. 87. 



Type locality: — Neighborhood of San Francisco, Cal. Types probably 

 destroyed in the Chicago fire in 1871. 



9a. Astacus nigrescens fortis. 



Astacus nigrescens fortis Faxon, supra, p. 360. 



Type locality: — Fall River, Fall City Mills, Shasta Co., Cal. Type, U. S. 

 N. M., No. 44,404; paratypes, M. C. Z., No. 7,383. 



10. Astacus trowbridgii. 



Astacus trowbridgii Stimpson, Proc. Boston Soc. Nat. Hist., Feb., 1857, 6, 

 p. 87. 



