Described Species of Fresh Water Crustacea. 341 



4. S. VETULUS Schodler. Branchiopoden der Umgegend 

 von Berlin, 18 ( 1858 ).Birge. Trans. Wis. Acad.iv,82 (1877). 

 -Herrick. 7th Rep. Geol. Minn. 103 (1879); Final Report, 



46 (1884). 



Daphne vetula, Miiller. Zool. Dan. Prod. No. 2399 (1776). 

 Hob. Wisconsin (Birge), Minnesota (Herrick). 



V. DAPHNIA MULL. 



1. D. ABRUPTA Halderaan. Proc. Phila. Acad. 1842, 184. 

 Hah. Pennsylvania (Haldemari). 



2. D. ANGULATA Say. Jour. Phila. Acad. i, 440 (1817). 

 DeKay. Nat. Hist. N.Y. vi, 65 (1844). 



Hob. Southern States (Say}. 



3. D. BREVICAUDA Chambers. Bull. U. S. Geol. Survey 

 ( Hay den ) iii, 154(1877). 



Hob. Kentucky and Colorado ( Chambers) . 



4. D. DUBIA Herrick. Amer. Nat. xvii, 501 (1883); Fi- 

 nal Report, 61 (1884). 



Hob. Minnesota (Herrick). 



5. D. GALEATA Sars. Om en Sommeren 1862, foretagen 

 zoologisk Reise i Christianias og Trondhjems Stiftor, 21 (1863). 

 P. E. Miiller. Naturhistorisk Tidsskrift, v, 117, pi. i, fig. 6 

 (1868). Smith. Rep. U.S. Fish Com. for 1872-73, 695. Her- 

 rick. Final Report, 61 (1884). 



Hob. Minnesota (Herrick); Lake Superior (Smith). 



6. D. HYALINA Leydig. Naturgeschichte der Daphniden, 

 151, t. i, figs. 8-10 (I860). Forbes. Amer. Nat. xvi, 642 (1882). 

 -Herrick. Final Report, 60 (1884). 



D. longispina Herrick. Amer. Nat. xvii, 501 (1883). 



D. pellucida P. E. Miiller. Naturhistorisk Tidsskrift, v. 

 116, pi. 1, fig. 5 (1868). Smith. Rep. U.S. Fish Com. 1872-73, 

 696. 



Hob Kentucky and Minnesota (Hrrrick), Illinois and Lake Michi- 

 gan (Forbes), Lake Superior (Smith). 



