Described Species of Fresh Water Crustacea. 363 



11. P. PICTUS Brandt. Conspectus Oniscodorum, 176 

 (1833). Stuxberg. Ofversigt af Vetensk.-Akad. Forhandl., 



1875, No. 2, 59. 



Hab. Canada near Niagara (Eisen). 



12. P. SCABER Latreille. Hist. Nat. Crust, et Insectes, 

 vii, 45, in part (1804). Fitch. Trans. N. Y. State Agric. Soc. 

 1854, 825; First and Second Report on Insects, 121 (1856). 

 Stuxberg. Ofversigt af Vetensk.-Akad. Forhandl. 1875, No. 2, 

 58. 



Oniscus asellus Linnaeus. Syst. Nat., Ed. 10, i, 637 (1758). 

 Gould. Invertebrata of Massachusetts, 326 (1841). DeKay. 

 Nat. Hist. N. Y., vi, 51 (1844). 



Hob. Illinois (Fitch), Canada near Niagara, and California (Eisen), 

 Newfoundland (Lindahl). 



13. P. SPINICORNIS Say. Jour. Phila. Acad., i, 431 (1817). 

 Hab. North America (Say). 



14. P. TRILINEATUS Koch. Deutschlands Crustaceen, 34, 

 9 (184Q).Stuxberg. Ofversigt af Vetensk.-Akad. Forhandl. 



1875, No. 2, 59. 



Hab. Massachusetts and Canada near Niagara (Eisen). 



15. P. VITTATUS Fitch. Trans. N. Y. State Agric. Soc. 

 1854, 814; First and Second Report on Insects, 120 (1856). 



Hab. New York (FUch). 



XL RHINORYCTES STUXBERG. 



1. R. MIRABILIS Stuxberg. Ofversigt af Vetensk.-Akad. 

 Forhandl. 1875, No. 2, 51. 

 Hab. California ( Eisen) . 



XII. SCYPHACBLLA SMITH. 



1. S. ARENICOLA Smith. Rep. U. S. Fish Coin, for 1871, 

 568. Harger. Proc. U. S. Nat. Museum, ii, 157 (1879); Rep. 

 U.S. Fish 'Com. for 1878, 307. 



Hab. Massachusetts and New Jersey (Harger). 



