136 PROCEEDINGS OP THE AMERICAN ACADEMY 



Ca7nbariis Blandingii, Hagen, 111. Cat. Mus. Comp. Zocil., 

 No. III. 43, PI. I. figs. 63, 64, PI. III. tig. 140. 1870. 



Camharus acutus, var. B, Hagen, op. cit., p. 36, PI. III. fig. 

 144. 1870. - 



Camharus acutus^ Abbott, Amer. Nat., VII, 80. 1873 (habits). 



Hab. New Jersey, Maryland, Virginia, North Carolina, South 

 Carolina, Georgia. 

 a. Var. acuta. 



Camharus acutus, Girard, Proc. Acad. Nat. Sci. Phila., VI. 

 91. 1852. 



Camharus acutissimus, Girard, I. c. 



Camharus acutus, Hagen, op. cit., p. 3.5, PI. I. figs. 1-5, 

 PI. II. figs. 106, 108, 110-114, 116, 118, 120-124, 126, 127, 

 PI. III. fig. 143. 1870. 



Camharus acutus, var. A, Hagen, op. cit., p. 36, PI. II. figs. 

 107, 109, 115, 117, 119, 125. 



Camharus acutus, Forbes, Bull. 111. Mus. Nat. Hist., No. I. 

 pp. 3, 18. 1876. 



Hab. Louisiana, Mississippi, Alabama, South Carolina, Tennes- 

 see, Missouri, Illinois, Indiana, Iowa, Wisconsin. 



2. Cambauus fallax. 



Camharus fallax, Hagen, op. cit., p. 45, PI. I. figs. 103-105. 

 1870. 



Hab. Florida. 



3. Cambarus Hayi. 



Camharus Hayi, Faxon, supra, p. 108. 

 Hab. Mississippi. 



4. Cambarus Clarkii. 



Camharus Clarkii, Girard, op. cit., p. 91. 1852. 

 Camharus Clarkii, Hagen, op. cit., p. 39, PI. I. figs. 7-10, 

 99, 100, PI. II. figs. 133, 134, PI. III. fig. 142, PI. IV. 1870. 

 Hab. Texas, Louisiana, Mississippi, Alabama, Florida. 



5. Cambarus troglodytes. 



Astacus troglodytes, Le Conte, op. cit, p. 400. 1855. 

 Astacus fossarum, Le Conte, op. cit., p. 401. 1855. 

 Cambarus troglodytes, Hagen, op. cit., p. 41, PI. I. figs. 11-14, 

 PI. IL fig. 141. 1870. 



Hab. Georgia, South Carolina. 



Note. — Girard and Gibbes confounded tliis species with C. Blandingii. 

 Gibbes distributed specimens of C. troglodi/tes under the name of Astacus Blan- 



