Described Species of Fresh Wafer Crusiarca. 345 

 III. OAMPTOOERCUS Baird. 



1. C. MACRURUS Baird. Ann. and Mao^. Nat. Hist, ii, 91, 

 t. 8, figs. 5, 6 (1843); British Entomostraca, 128, t. xvi, fig. 9 

 (1850).— 5/;7r'. Trans. Wis. Acad, iv, 109 {1^11). -Herrieh. 

 7th Rsp. Geoi. Minn. 107 (1879); 10th Rep. Geol. Minn. 249 

 (1882); Final Keport, 84 (1884). 



LijnceMS macrurus Miiller. Entomostraca, 77, t. 10, figs. 

 1-3 (1785)! 



7/rtA.— Massachusetts, Wisconsin, and Lake Michigan {Birge), Min- 

 nesota {Ilerrick). 



2. C. ROTUNDUS Herrick. 10th Hep. Geoh Minn. 249 

 (1882); Final Report, 84 (1884). 



Hah. — Minnesota {Ilerrick). 



IV. Alonopsis Sars. 



1. A. LATissiMA Kurz. Dodekas neuer Cladoceren, 40, t. 

 ii, figs. 13-15 {lS14.).—Herrkl\ Final Report, 86 (1884). 



Ilah. — Minnesota {Ilerrick). 



2. A. MEDIA Birge. Trans. Wis. Acad. iv. 108 (1877).— 

 Herrick. Final Report, 8() (1884). 



Hah. — Minnesota {Herrick). 



V. Leydigia Kurz. 



1. L. ACANTHOCERCOIDES Kurz. Dodekas nener Cladoce- 

 ren, 53 (1814.).— Herrick. Final Report, 89 (1884). 



L. quadrangular is Herrick. 10th Rep. Geol. Minn. 248 

 (1882). 



Lijnceus acantJtocercoides Fischer. Bull. Soc. Nat. de Mos- 

 con, 1854, 431, t. iii. figs. 21-25. 

 Hah. — Minnesota {Herrick). 



2. L. QUADRAXGULARis Kurz. Dodekas nener Cladoceren, 

 52, t. ii, fig. 1 (ISn).— Herrick. Final Report, 88 (1884). 



Hah. — Alabama {Herrick). 



