340 Illinois State Lahoratorij of Nafiinil JTisfonj. 



6. C. PARVA Herrick. Amer. Ntit. xvii, 504 (1883). 

 fl'«6. —Minnesota {Herrick). 



7. C. sciTULA Herrick. Final Report, 40 (1884). 

 Hab. — Minnesota {Herrick). 



TIL SOAPAOLEBERIS ScHODL. 



1. S. ANGULATA Herrick. Amer. Nat. xvii, 502 (1883); 

 Final Report, 44(1884). 



Hah. — Mississippi and Alabama {Herrick). 



2. S. ARMATA Herrick. lOth Rep. Geol. Minn. 243 (1882); 

 FinalReport, 43 (1884). 



fTofe.— Alabama and Minnesota {Herrick). 



3. S. AURiTA Birge in Herrick's Final Report, 175 (1884). 

 S. nasuta Birge. Trans. Wis. Acad, iv, 85 (1877).— ilipr- 



ricL Final Report, 43 (1884). 



Daphnia aurita Fischer. Bull. Naturforsch. Gesellscli. in 

 Moscau, xxii (1849). 



Hab. — Wisconsin (Birge). 



4. S. MUCRONATA Scliocller. Brancliiopoden der Unige- 

 gend von Berlin, 23 (1858).— 5/rryc. Trans. Wis. Acad. iv. 84 

 (1877).— i^err/cA'. lOth Rep. Geol. Minn. 241 (1882); Final 

 Report, 42 (1884). 



Daphnia mucronata Miiller. Entomostraca, 94, t. xiii, figs, 

 6, 7 (1785).— //m-M-. 7tli Rep. Geol. Minn. 104 (1879). 

 Hab. — Eastern United States. 



IV. SiMOCEPHALUS ScHODL. 



1. S. AMERicANUS Birge. Trans. Wis. Acad, iv, 82 (1877). 

 —Herrick. Final Report, 47, 49 (1884). 



ifaft.— Mississippi and Minnesota {Herrick); Wisconsin {Birge). 



2. S. DAPHNOiDES Herrick. Amer. Nat. xvii, 503 (1883); 

 Final Report, 48 (1884). 



Hab. — Alabama {Herrick). 



3. S. RosTRATUs Herrick. Final Report, 47 (1883). 

 Hab. — Mississippi {Herrick). 



