406 CRAYFISHES. 



8. Parastacus spinifrons. 



Astacus spinifrons Philippi, Anales Universidad Chile, 1882, 61. 



Type locality: — Chile. 



9. Parastacus nicoleti. 



Astacus chilensis Nicolct (ncc M. Edw.), Gay's Hist. Cliile, Zool., 1849, 3, 

 p. 211. Type locality : — Chile. 



Astacus nicoleti Phihppi, Anales Universidad Chile, 1882, 61. 



Type locality: — Chile. 



10. Parastacus hassleri. 



Parastacus hassleri Faxon, Proc. U. S. Nat. Mas., Feb. 17, 1898, 20, p. G87. 



Type locality: — Talcahuano, Chile. Types, M. C. Z., No. 3,401; paratypes, 

 U. S. N. M., No. 19,089. 



11. Parastacus araucanius. 



Parastacus araucanius Faxon, supi'a, p. 353. 



Type locality: — Corral, Chile. Type, M. C. Z., No. 7,355. 



Astacus Fabricius. 



Astacus Fabricius, Syst. Entomol., 1775, p. 413. 



1. Astacus colchicus. 



Astacus colchicus Kessler, Bull. Soc. Imp. Moscou, 1870, 50, p. 2. 



Type locality: — Upper Rion River and tril)utaries, Transcaucasia. 



2. Astacus pachypus. 



Astacus pachypus Rathke, Mem. Acad. Imp. St. Pctersbourg, 1836, 3, p. 305. 

 Astacus caspius Eichwald, Bull. Soc. Imp. Moscou, 1838, p. 149. Type 

 locality: — Caspian Sea, near Baku. 



Type locality: — Neighborhood of Nikolaiev, Boug River, Rassia. 



3. Astacus leptodactylus. 



Astacus leptodactylus Eschscholtz, Mem. Soc. Imp. Moscou, 1823, 6, p. 109. 



Astacus leptodactylus salinus Nordmann, Observations sur la Faune Pontique, 

 in Demidoff's Voyage dans la Russie Meridionale et la Crimee, Atlas, Crustacea, 

 1842, Tab. 1. Type locality: — Bl&ck Sea. 



Type locality: — Government of Taurida, Russia. 



