Described Species of Fresh Water Critstaeea. 341 



4. S. VETULUS SclKkller. Branchiopoden der Umgegend 

 von Berlin, 18 (1858).— ^/r.^?. Trans. Wis. Acad, iv, 82 (1877 ). 

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

 46 (1884). 



Daphne vdala, Milller. Zool. Dan. Prod. No. 2399 (1776). 

 Hah. — Wisconsin (Birge), Minnesota {Herrick). 



V. Daphnia Mull. 



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

 Hah. — Pennsy 1 vania (Haldeman). 



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

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



Zra5.— Southern States (Say). 



8. D. BREVicAUDA Chambers. Bull. U. S. Geol. Survey 

 (Hayden) iii, 154 (1877). 



Hab. — Kentucky and Colorado {Chauihers) . 



4. D. DUBiA Herrick. Anier. Nat. xvii, 501 (1883); Fi- 

 nal Report, 61 (1884). 



Hah. — Minnesota (Herrick). 



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

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

 P. E. Milller. Natnrhistorisk Tidsskrift, v, 117, pi. i, fig. 6 

 (im^). —Smith. Rep. U.S. Fish Com. for 1872-73, 695.— //cr- 

 rick. Final Report, 61 (1884). 



Hah. — Minnesota (HcrricJ:); Lake Superior {Smith). 



6. D. HYALiNA Leydig. Naturgeschichte der Daphniden, 

 151, t. i, figs. 8-10 (I860).— 7^or/>^'S. Amer. Nat. xvi, 642 (1882). 

 —Herrick. Final Report, 60 (1884). 



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



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

 116, pi. 1, fig. 5 (1868).— .Sy^^YA. Rep. U.S. Fish Com. 1872-73, 

 696. 



Hah. — Kentucky and Minnesota {Herrick), Illinois and Lake Michi- 

 gan [Forbes), Lake Superior (S^nith'). 



