Described Species of FresJt U^ater Cnistaced. 308 



11. P. PICTUS Brandt. Conspectus Oniscodoruni, 170 

 (1833). — Sfnxberg. Ofversigt af Vetensk.-Akad. Ffh-handl., 



1875, No. 2, 59. 



Hab. — -Canada near Niagara (Eisrn). 



12. P. SCABER Latreilh?. Hist. Nat. Crust, et Insectes, 

 vii, 45, in part {18(U).— Fitch. Trans. N. Y. State Agric. Soc. 

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

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

 58. 



OniscHs aseUns Linn^us. Syst. Nat., Ed. 10, i, 637 (1758). 

 — Gould. Invertebrata of Massachusetts, 326 ( 1841 ).—I)rKui/. 

 Nat. Hist. N. Y., vi, 51 (1X44). 



Hab. — Illinois (Fitch), Canada near Niagara, and California {Elx('ii), 

 Newfoundland (Lindahl). 



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

 Hab. — North America {Say). 



14. P. TRILINEATUS Kocli. Deutschlauds Crustaceen, 34, 

 9 {lH-i{)).—StHxberg. 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 {Fitch). 



XL Rhinoryctes Stltxberct. 



1. R. MiRABiLis Stuxberg. Ofversigt af Vetensk.-Akad, 

 Forhandl 1875, No. 2, 51. 

 Hab. — California {Eisen). 



XII. SOYPHAOBLLA Smith. 



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

 mH.-^Harger. Proc. U. S. Nat. Museum, ii, 157 (1879); Rep. 

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



Hab. — Massachusetts and New Jersey (Harger). 



