408 CRAYFISHES. 
Type locality: — River Sarno, Pompeii, Italy. Types, U. 8S. N. M., No. 
28,638; paratypes, M. C. Z., No. 7,409. 
7. ASTACUS TORRENTIUM. 
Cancer torrentiwm Schrank, Fauna Boiea, 1803, 3, 1 Abth., p. 247. 
Astacus saxatilis Koch, Deutschlands Crustaceen, Myriapoden und Arachni- 
den, 1835?, 7, No. 1 (Panzer and Herrich-Schiiffer’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, Myriapoden und Arach 
niden, 1835?, 7, No. 2 (Panzer and Herrich-Schiffer’s Deutschlands Insecten, 
140, No.2). Type Locality: — Bavaria, in a mountain brook at Bodenstein, 
Regen River system. 
Astacus longicornis Lereboullet, Mém. Soe. Sci. Nat. Strasbourg, 1858, 5, p. 2. 
Type locality: — Il and Bruche Rivers, Alsace. 
Type locality: — Bavaria, in stony streams and also in lakes, e. g. Wiirm-See. 
8. ASTACUS GAMBELII. 
Cambarus gambelii Girard, Proe. Acad. Nat. Sci. Philad., 1852, 6, p. 90. 
Type locality: — “‘ California.’’ Types, Acad. Nat. Sci. Philad. 
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, Proce. Boston Soc. Nat. Hist., Feb., 1857, 6, 
Dstovle 
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. AsTACcUS TROWBRIDGII. 
Astacus trowbridgit Stimpson, Proc. Boston Soe. Nat. Hist., Feb., 1857, 6, 
p. 87. 
