176 



Trans, Acad. Sci. of St. Louis. 



as occurring in the Hamilton Group. From Sedalia, Mo., he 

 described twenty-six Batocrini from the Burlington Group, 

 thirteen Platycrini from the Chouteau limestone and twenty- 

 two Platycrini from the Burlington; from Burlington, Iowa, 

 nineteen species of Batocrinus from the Burlington limestone ; 

 and from Boonville, Mo., twenty-one species of Batocrinus 

 from the Keokuk formation. Following is a list of the 

 species described by Miller from the different localities. 



CHARLESTOWN, IND. HAMILTON GROUP. 



Batocri7ius aequalis. 

 Batocrinus aspratilis. 

 Batocrinus laetus. 



* Bull. 111. State Mus. Nat. Hist. 4. 

 t Bull. 111. State Mus. Nat. Hist. 5. 

 X Bull. 111. State Mus. Nat. Hist. 6. 

 § Bull. 111. State Mus. Nat. Hist. 7. 



Ba tocrinus scyphus . f t 

 Batocrinus formaceus, 

 Batocrinus imparilis. 



II Bull. 111. State Mus. Nat. Hist. 8. 



t Bull. 111. State Mus. Nat. Hist. 9. 

 *♦ Bull. 111. State Mus. Nat. Hist. 12. 

 ft Bull. 111. State Mus. Nat. Hist. 3. 



