Described Sjjecics of Fresh Wafer 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); 

 12tli Kep. U. S. Geol. Survey (Hayden), ii, 321 (1883). 



JIaO. — Kansas, Lower California. 



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

 ii, 109 (1871); 7th Rep. U. S. Geol. Survey (Hayden), 020 

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



Ilab. —Viah. 



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. — Colorado. 



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

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

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



llah. — Utah, Montana. 



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

 ser., ii, 431 {\Ul).—Pacl-ar(l. 7th Rep. U. S. Geol. Survey 

 (Hayden), 019 (1874); 12th Kep. U. S. Geol. Survey (Hayden), 

 ii, 3i6 (1883). 



Hah. — Arctic America, Greenland. 



FAMILY BRANCHIPODIDiE. 



I. Artemia Leach. 



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

 xlviii, 248, 249, 430 (1809); Proc. A. A. A. S. for 1809, 235- 

 2'68.- Packard. 7th Rep. U. S. Geol. Survey (Hayden), 620, 

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

 (1883). 



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

 248 (1869). 



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

 248 (1869). 



