344 Illinois State Laboratory of Natural History. 



III. LYNCODAPHNIA HERKICK. 



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

 (1882); 10th Rep. Geol. Minn. 247 (1882); Final Report, 75 

 (1884). 



Hal). Minnesota (Herrick). 



IV. ILIOCRYPTUS SAKS. 



1. I. SPIKIPEB Herrick. 10th Rep. Geol. Minn, 246 (1882); 

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

 versity,^ 39 (1885). 



Hob. Minnesota (Ilerrick). 



FAMILY LYNOEID^J. 

 I. EUBYCERCUS 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 (1877). Herrick. 7th Rep, 

 Geol. Minn. 122 (1879); 10th Rep. Geol. Minn. 248 (1882); 

 Final Report, 80 (1884). 



Lynceus lamellatus Miiller. Entomostraca, 73, t. ix, figs. 

 4-6 (1785). 



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



II. ACROPBBUS BAIRD. 



1. A. LEUCOCEPHALUS Schodler. Neue Beitrage zur Natur- 

 geschichte der Cladoceren, 30, t, i, figs. 11-16 (1863). Birge. 

 Trans. Wis. Acad. iv, 109 (1877). Herrick. Final Report, 81 

 (1884). 



Lynceus leucocephalns Koch. Deutschlands Crustaceeu, h. 

 36, pi. x (1838). 



Hob. Massachusetts and Wisconsin (Birge). 



