Described Species of Fresh Water Crustacea. 331 



10. C. NAVICULARIS Say. Jour. Phila. Acad. i, 441 

 (1817). DeKay. Nat. Hist. N. Y. vi, 62 (1844). Herrick. 

 Final Report, 163 (1884). 



Hab. Southern States (Say). 



11. C. NAVUS Herrick. 10th Rep. Geol. Minn. 229 

 (1882); Final Report, 152 (1884). 



Hab. Minnesota (Herrick). 



12. C. OITHONOIDES Sars. Forhandlinger Videnskabs- 

 Silskabeh, 1862, 241. Herrick. Final Report, 150 (1884). 



?C. tenuissimus Herrick. Amer. Nat. xvii, 64 (1883). 

 Hab. Kentucky, Alabama, Minnesota (Herrick). 



13. C. PARCUS Herrick. 10th Rep. Geol. Minn. 229 

 (1882); Final Report, 148 (1884). 



Hab. Minnesota (Herrick). 



14. C. PECTIN ATTJS Herrick. Amer. Nat. xvii, 499 (1883). 

 Hab. Alabama (Herrick). 



15. C. PHALERATUS Koch. Deutschlands Crustaceen h. 

 xxi r t. 9 (1838). Herrick. Final Report, 161 (1884). 



C. adolescens Herrick. 10th Rep. Geol. Minn. 231 (1882). 

 C. perarmatus Cragin. Trans. Kansas Acad.Science (1883). 

 Hab. Massachusetts (Cragin), Minnesota (Herrick). 



16. C. PULCHELLUS Koch. Deutschlands Crustaceen, h. 

 xxi, t. 2 (1838). Cragin. Trans. Kansas Acad. Science 

 (1883). 



Hab. Massachusetts (Cragin). 



17. C. SERRULATUS Fischer. Bulletin de la Soc. Imp. des 

 Nat. de Moscow, xxiv, 423 (1851). Herrick. 10th Rep. Geol. 

 Minn. 230 (1882); Final Report, 157, 163 (1884). 



C.pectinifer Cragin. Trans. Kansas Acad. Science (1883). 

 ?C. setosus Haldeman Jour. Phila. Acad. viii, 331. 

 Hab. Massachusetts (Cragin), Minnesota (Herrick). 



18. C. TENUicORtfis Glaus. Archiv. fur Naturgeschichte 

 1857, 31, Tab. iii, figs. 1-11. Herrick. 10th Rep. Geol. Minn. 

 227 (1882); Final Report, 153 (1884). 



C. signatus, var. fasciacornis Cragin. Trans. Kansas 

 Acad. Science (1883). 



Hab. Massachusetts (Cragin), Alabama and Minnesota (Herrick). 



