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 (Hay den), 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. NEWBERRYI 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). 



Hal). Utah. 



II. LEPIDUBUS 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). 



Hob. Colorado. 



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). 



Hob. Utah, Montana. 



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

 ser., ii, 431 (1847). Packard. 7th Rep. U. S. Geol. Survey 

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

 ii, 316 (1883). 



Hob. Arctic America, Greenland. 



FAMILY BRANCHIPODID^l. 



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- 

 %&. 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). 



