Described Species of Fresh Water Crustacea. 353 



3. A. LUCASANUS Packard. Amer. Jour. Science, 3d ser., 

 ii, 109 (1871); 7th Rep. U. S. Geol. Survey (Hayden), 620 

 (1874); Bull. U.S. Geol. Survey (Hayden), iii, 179 (1877); 

 12th Rep. U. S. Geol. Survey (Hayden), ii, 321 (1883). 



Ilab. — Kansas, Lower California. 



4. A. NEWBERKTi Packard. Amer. Jour. Science, 3d ser., 

 ii, 109 (1871); 7th Rep. U. S. Geol. Survey (Hayden), 620 

 (1874); 12th Rep. U. S. GeoL Survey (Hayden), ii, 321 (1883). 



Uab.— Utah. 



II. LepiduRUS Leach. 



1. L. BiLOBATUS Packard. Bull. U.S. Geol. Survey (Hay- 

 den), iii, 178 (1877;; 12th Rep. U. S. Geol. Survey (Hayden), 

 ii, 318 (1883). 



Ilab. — Coloi-ado. 



2. L. couESii Packard. Amer. Nat. ix, 311 (1875); Bull. 

 U. S. Geol. Survey (Hayden), iii, 177 (1877); 12th Rep. U. S. 

 Geol. Survey (Hayden), ii, 317 (1883). 



Ilah. — Utah, Montana. 



3. L, GLACiALis Kroyer. Naturhistorisk Tidsskrift, 2d 

 ser., ii, 431 (18^1).— Packard. 7th Rep. U. S. Geol. Survey 

 (Hayden), 619 (1874); 12th Rep. U.S. Geol. Survey (Hayden), 

 ii, 316 (1883). 



Hub. — Arctic America, Greenland. 



FAMILY BRANCHIPODID^. 



I. Artemia Leach. 



1. A. GRACILIS Verrill. Amer. Jour. Science, 2d ser., 

 xlviii, 248, 249, 430 (1869); Proc. A. A. A. S. for 1869, 235- 

 2dS.- Packard. 7th Rep. U. S. Geol. Survey (Hayden), 620, 

 621 (1874); 12th Rep. U.S. Geol. Survey (Hayden), ii, 330 

 (1883). 



A. monica Verrill. Amer. Jour. Science, 2d ser.. xlviii, 

 248(1869). 



A. fertilis Verrill. Amer. Jour. Science, 2d series., xlviii, 

 248 (1869). 



