1897.] DRAKE — THE GEOLOGY OF IXDIAX TERRITORY. 395 



1. Discina niiida Phillips. 



2. Aviculopecten rectilaterarius Qoy.. 



3. Aviculopecten dubertiamcs Dawson. 



4. Nuculana bellistriata Stevens. 



5. Nucula ventricosa Hall. 



6. Bellerophon carbonarius Cox. 



7. Gasirioceras globulosum'^ Meek and Worthen. 



Six miles southwest of South Canadian some limestone nodules 

 included in a clay shale bed contain the following fossils : 



1. Nucula ventricosa Hall. 



2. Pleurotomaria sphcerulata Conrad. 



3. Bellerophon crassus Meek and Worthen. 



Five or six miles northwest of Calvin, the following fauna occurs 

 in friable sandstones : 



1. Productus semireticulatus Martin. 



2. Productus pertenuis'^ Meek. 



3. Strophalosia ? spondyliformis White and St. John. 



4. Schizodus wheeleri Swallow. 



5. Nuculana bellistriata ^tQYQWs. 



6. Murchisonia sp. ? 



7. Pinna peracuta Shumard. 



8. Aviculopecten cat actus ? Meek. \ 



9. Gastrioceras globulosum Meek and Worthen. 



Ten miles south of Okmulgee, about one hundred and fifty feet 

 above the base of the Poteau group, the following fossils were found 

 in sandstone : 



1. Aviculopecten occidentalis Shumard. 



2. Solenopsis solenoides Geinitz. 



3. Pleurophorus angulatus Meek and Worthen. 



The following fossils were collected west of Oologah, about two 

 miles west of the Cherokee-Osage Nation boundary line : 



1. Productus splendens N. and P. 



2. Spirifer ca?neratus Morton. 



3. Spirifer lineatus Martin. 



4. Athyris {Seminula) subtilita Hall. 



5. Spirifer ena kentuckensis Shumard. 



