342 Illinois State Laboratory of Natural History. 



7. D. KALBERGE^SIS Schodler. Die Cladocera des frischen 

 Haffs, 18 t. i, figs. 1-3 (1863). Herrick. Final Report, 63 



(1884). 



Hdb. Minnesota (Herrick}. 



8. D. KERUSSES Cox. Amer. Monthly Micros. Jour, iv, 

 88 (1883).Kellicott. Proc. Amer. Soc. Micros, vi, 129 (1884). 



Ilab Wisconsin (Cox), New York (Kellicott). 



9. D. MAGNICEPS Herrick. Final Report, 64 (1884). 

 Hab. Minnesota (Herrick). 



10. D. MIKNEHAHA Herrick. Final Report, 59 (1884). 

 Hab. Minnesota (Herrick). 



11. D. PULEX flaus. Mem. de Museum, vii, 158 ( 1820). 

 Smith. Rep. U.S. Fish Com. for 1872-73, WQ.Birge. Trans. 

 Wis. Acad. iv, 87 (1877). Herrick. 7th Rep. Geol. Minn. 

 101 (1879); 10th Rep. Geol. Minn. 238 (1382); Amer. Nat. 

 xvii, 501 (1883); Final Report, 56 (1884). 



Hab. Massachusetts and Wisconsin (Birge), Alabama and Minne- 

 sota (Herrick), Lake Superior (Smith). 



12. D. RETICULATA Haldeman. Proc. Phila. Acad. 1843, 

 196. 



Hab. Pennsylvania (Haldeman). 



13. D. RETROCURVA Forbes. Amer. Nat. xvi, 642 (1882). 

 Hab Illinois (Forbes). 



14. D. ROSEA Sars. Om de i Omegn. af Christania fore- 

 kom. Cladocera, 268 ( 1862) . Herrick. Final Report, 59 ( 1884). 



Hab. Minnesota (Herrick). 



15. D. ROTTODATA Say. Jour. Phila. Acad. i, 440 (1817.) 

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



Hab.- Southern States (Say). 



FAMILY BOSMINID.ffi. 

 1. BOSMINA BAIRD. 



1. A. CORKUTA Baird. Trans. Berwick Nat. Club, ii, 149 



( ).Birge. Trans. Wis. Acad. iv, 91 (1887). Herrick. 



10th Rep. Geol. Minn. 244 (1882). 



