Described Species of Fresh Water Crustacea. 359 



3. A. INTERMEDIUS Forbes. Bull. 111. State Lab. N. H., 

 No. 1, 10 (1876). 



Hah.-- Illinois (Forbes). 



4. A. LINEATUS Say. Jour. Phila. Acad., i, 428 (1817). 

 DeKay. Nat. Hist. N. Y., vi, 50 (1844). 



llab. South Carolina (Say). 



5. A. STYGIUS Forbes. Bull. 111. State Lab. N. H., No. 1, 

 11 (1876). 



Cwcidotea stygia Packard. Amer. Nat., v, 751 ( 1871 ) ; 5th 

 Rep. Peabody Acad. Science, 95 (1873). Smith. Rep. U. S. 

 Fish Com. for 1872-73, ffil.Hubbard. Amer. Entomologist, 

 n. ser., i, 36, 79 (1880). 



C. microcephala Cope. Amer. Nat., vi, 411 (1872); 3rd 

 and 4th Rep. Geol. Indiana, 163 (1872). Smith. Amer. Nat., 

 vii, 244(1873). 



Hob Indiana (Cope), Illinois (Forbes), Kentucky (Packard). 



II. O^ICIDOTEA PACKARD. 



1. C. NIOKAJACKEITSIS Packard. Amer. Nat., XT, 879 



(1881). 



Hab. Tennessee (Packard). 



III. MANCASELLUS HARGER. 



1. M. BRACHYURUS Harger. Amer. Jour. Science, 3rd ser., 

 xi, 304, 305 (1876). 



Hab. Virginia (Harger). 



2. M. TENAX Harger. Amer. Jour. Science, 3rd ser., xi, 

 304 (1876). Bay. Amer. Nat., xvi, 242 (1882). 



Asellus tenax Smith. Amer. Jour. Science, 3rd ser., ii, 453 

 (1871). 



Asellopsis tenax Harger. Amer. Jour. Science, 3rd ser., 

 vii, 601 (1874). Smith. Rep. U. S. Fish Com. for 1872-73, 

 659, 695. 



Hab. Indiana (Hay), Michigan and Lake Huron (Milner), Lake Su- 

 perior (Smith). 



