162 MARINE AND FISHERIES 



5 GEORGE v., A. 191& 

 Cambarus rusticus Girard. 



Hagen, p. 71; Faxon, p. 108. 



This species has been reported by Hagen from Lake Superior and by Faxon-, 

 from Lake Erie. It will doubtless be found within our limits. 



Length up to 73 mm. Rostrum with lateral spines, its margins concave. 

 Areola narrow. First abdominal appendages of male with long, straight or some- 

 what curved tips. 



LIST OF REFERENCES. 



For further bibliography the reader is referred to the following papers, — 

 that of Underwood for general bibliography prior to 1885, that of Richardson 

 for articles on the Isopoda, that of Weckel for articles on the Amphipoda, and that 

 of Faxon for articles on the crayfishes. 



Cottle, T. J. — On the Two Species of Astacus found in Upper Canada. Canad. Journ., n. ser., 

 vol. VIII, p. 216. 1863. 



Faxon, W. A. — A Revision of the Astacidae. Mem. Mus. Comp. Zool. Harv., vol. X, no. 4, 1885, 



Forbes, S. A. — On the Food Relations of Fresh-Water Fishes: a Summary and Discussion- 

 Bull. III. Lab. Nat. Hist., vol. II, p. 475. 1888. 



GiBBES, L. R. — On the Carcinological Collections of the United States, etc. Proc. Am. Ass^ 

 Adv. Sc, vol. Ill, p. 167. 1851. 



Hagen, H. A. — Monograph of the North American Astacidse. 111. Cat. Mus. Comp. Zool. Harv.,. 

 no. III. 1870. 



Jackson, H. H. T. — A Contribution to the Natural History of the Amphipod, Hyalella Knicker- 

 bockeri (Bate). Bull. Wise. Nat. Hist. Soc, vol. X. p. 49. 1912. 



KiNGSLEY, J. S. — Notes on the North American Caridea, etc. Proc. Acad. Phil, vol. XXX^ 

 p. 89. 1878. 



Nicholson, H. A. — Contributions to a Fauna Canadensis, etc. Canad. Journ., n. ser., vol.. 

 XIII, p. 490. 1873. 



Ortmann, a. E. — The mutual aflinities of the species of the genus, Cambarus, &c. Proc^ 

 Amer. Phil. Soc, vol. XLIV, p. 91, 1905. 



Richardson, H. — Monograph on the Isopods of North America. Bull. U. S. N. Mus., nO' 

 54. 1905. 



Smith, S. I. — The Crustacea of the Fresh Waters of the United States. Rep. U. S. F. Comm., 

 pt, 2 for 1872-1873, p. 637. 1874. 



Smith, S. I. and Verrill, A. E. — Notice of the Invertebrata dredged in lake Superior, etc. Am. 

 Journ. Sc, ser. 3, vol. II, p. 448. 1871. 



