406 CRAYFISHES. 
8. PARASTACUS SPINIFRONS. 
Astacus spinifrons Philippi, Anales Universidad Chile, 1882, 61. 
Type locality: — Chile. 
9. PARASTACUS NICOLETI. 
Astacus chilensis Nicolet (nec M. Edw.), Gay’s Hist. Chile, Zool., 1849, 3, 
p. 211. Type locality: — Chile. 
Astacus nicoleti Philippi, Anales Universidad Chile, 1882, 61. 
Type locality: — Chile. 
10. PARASTACUS HASSLERI. 
Parastacus hassleri Faxon, Proc. U.S. Nat. Mus., Feb. 17, 1898, 20, p. 687. 
Type locality: —Talcahuano, Chile. Types, M. C. Z., No. 3,401; paratypes, 
U.S. N. M., No. 19,689. 
11. PARASTACUS ARAUCANIUS. 
Parastacus araucanius Faxon, supra, p. 353. 
Type locality: — Corral, Chile. Type, M. C. Z., No. 7,355. 
Asracus Fabricius. 
Asracus Fabricius, Syst. Entomol., 1775, p. 413. 
1. ASTACUS COLCHICUS. 
Astacus colchicus Kessler, Bull. Soc. Imp. Moscou, 1876, 50, p. 2. 
Type locality: — Upper Rion River and tributaries, Transcaucasia. 
2. ASTACUS PACHYPUS. 
Astacus pachypus Rathke, Mém. Acad. Imp. St. Pétersbourg, 1836, 3, p. 365. 
Astacus caspius Eichwald, Bull. Soc. Imp. Moscou, 1838, p. 149. Type 
locality: — Caspian Sea, near Baku. 
Type locality: — Neighborhood of Nikolaievy, Boug River, Russia. 
3. ASTACUS LEPTODACTYLUS. 
Astacus leptodactylus Eschscholtz, Mém. Soc. Imp. Moscou, 1823, 6, p. 109. 
Astacus leptodactylus salinus Nordmann, Observations sur la Faune Pontique, 
in Demidoff’s Voyage dans la Russie Méridionale et la Crimée, Atlas, Crustacea, 
1842, Tab. 1. Type locality: — Black Sea. 
Type locality: — Government of Taurida, Russia. 
