344 niinois State Laboratory of Natural History. 

 ITT. Lynoodaphnia Herrick. 



1. L. MACROTHROiDES Herrick. Amer. Nat. xvi, 1007 

 (1882); lOth Rep. Geol. Minn. 247 (1882); Final Report, 75 

 (1884). 



Ilah. — Mi nnesota {Herrick). 



IV. ILIOORYPTUS Saks. 



1. I. SPiNiFER Herrick. lObh Rep. Geol. Minn, 246 (1882) ; 

 FinalReport, 77 (1884). Bull. Scientific Lab. Denison Uni- 

 versity, i, 39 (1885). 



Hah. — Minnesota (Herrick). 



FAMILY LYNOEID^. 



I. EURYOEROUS Baird. 



1. E. LAMELLATUS Baird. Ann. and Mag. Nat. Hist, ii, 

 88, t. ii, figs. 1-8 (1843); British Entomostraca, 124, t. xv, fig. 

 1 {1850).— Smith. Rep. U. S. Fish Com. for 1872-73, 696.— 

 Birge. Trans. Wis. Acad, iv, 92 (ISIl).— Herrick. 7th Rep. 

 Geol. Minn. 122 (1879); lOth Rep. Geol. Minn. 248 (1882); 

 FinalReport, 80(1884). 



Lijneeus lameUatus MilUer. Entomostraca, 73, t. ix, figs. 

 4-6 (1785). 



Hah. — Minnesota [Herrick), Lake Superior {Smith). 



II. AOROPERUS BaIRD. 



1. A. LEUCOCEPHALUS Schodler. Neue Beitrage znr Natnr- 

 gesehichte der Cladoceren, 30, t, i, figs. 11-16 {ISm).— Birge. 

 Trans. Wis. Acad, iv, 109 {1817).— Herrick. Final Report, 81 

 (1884). 



Lynceiis lencocepluthis Koch. Deutschlands Criistaceen, h. 

 36, pi. X (1838). 



i/aZ*.— Massachusetts and Wisconsin (Birge). 



