340 Tllinois State Laborafonj of Natunil Histon/. 



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

 ZTab. —Minnesota {Herrid:). 



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

 Hah. — Minnesota (Herrick). 



III. SOAPAOLEBERIS ScHODL. 



1. S. ANGULATA Heri'ick. Amer. Nat. xvii, 502 (1883); 

 Final Report, 44 (1884). 



Hab. — Mississippi and Alabama (Herrick). 



2. S. ARMATA Herrick. 10th Rep. Geol. Minn. 243 ( 1882 ) ; 

 Final Report, 43 (1884). 



Hab.— Alabama and Minnesota (Herrick). 



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

 S. nasuta Birge. Trans. Wis. Acad, iv, 85 {1811).— Her- 

 rick. Final Report, 43 (1884). 



Dcq)hnia aurita Fischer. Bull. Naturforsch. Gesellsch. in 

 Moscau, xxii (1849). 



Hab. — Wisconsin (Birge). 



4. S. MUCRONATA Schodler. Branchiopoden der Umge- 

 gend von Berlin, 23 (1858). —Birge. Trans. Wis. Acad. iv. 84 

 (1811).— Herrick. 10th Rep. Geol. Minn. 241 (1882); Final 

 Report, 42 (1884). 



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

 6, 7 {118h).— Herrick. 7th Rep. Geol. Minn. 104 (1879). 

 Hah. — Eastern United States. 



IV. SiMOCEPHALUS ScHODL. 



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

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



Hab. — Mississippi and Minnesota (Herrick); Wisconsin (Birge). 



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

 Final Report, 48 (1884). 



Hab. — Alabama (Herrick). 



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

 //"ai.— Mississippi (Herrick). 



