136 PROCEEDINGS OF THE AMERICAN ACADEMY 



Camharus Blandingii, Hagen, 111. Cat. Mus. Comp. ZooL, 

 No. III. 43, PI. I. figs. 63, G4, PL III. fig. 140. 1870. 



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

 144. 1870. 



Camhanis acutus, Abbott, Araer. Nat., VII. 80. 1873 (habits). 



Ilab. Kew Jersey, Maryluud, 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. III. Mus. Nat. Hist., No. I. 

 pp. 3, 18. 1876. 



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

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



2. Cambarus fallax. 



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

 1870. 



Ilab. Florida. 



3. Cajibarus Hati. 



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. 1 855. 

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

 Camharus troglodi/tes, Hagen, op. cit., p. 41, PI. I. figs. 11-14, 

 PI. IL fig. 141. 1870. 



Hab. Georgia, South Carolina. 



Note. — Girard and Gibbes confounded tills species with C. Dlandingii. 

 Gibbes distributed specimens of C. troghdijtcs under the name of Astacus Blan- 



