74 



Bulletin 15 



384 



Ostrea vidisbitrg-ensis Con. 

 Pe^en Poulsoni Morton,. 



Piyina argentea Con.^ 

 Area mississippiensis Con.^ 

 Byssoarca mississippiensis Con.j. 



PeSlunailus arHatus (?) Con,, 



" mississippiensis Con. 



Nuaila sericea Con., 



" (?) (young) Con. 

 " vieksburgensis Qoxi.,. 

 Cardinm diver sum Con., 



'" glebosum Q,ox\. , 

 Crassutella mississippiensis Con., 



Cytherea asfartiformis (?) Co-n... 

 " imifabilis Qon... 



mississippiensis Con. 

 sobrina Con., 



Donax funerata Con., 



(?)Con., 

 Ma£lra funerata Con.^ 

 Corbula alta Con., 



" engonata Con.^ 



"■ , sp. indet., 



Panopcsa oblongata Con.,, 



Lucina, sp. indet., 



Tellina lintea Con.,, 

 " perovafa Con., 

 ' ' vicksburgensis Con. ,. 



Madrepora 77zississippiensis Con. 



Orbitoides 7nantelli Morton, 



Cemetery road. 



Area bed, Cemetery road. 



Mint Spring Bayou. 



Cytherea bed. 



Mint Spring Bayou. 



Area bed. 



Area bed, Cemetery road. 



Cytherea bed. 



Area bed. 



Mint Spring Bayou, 



Area bed. 



Mint Spring Bayou. 



Area bed, 



Area bed, Cemetery road. 



Cytherea bed. 



Mint Spring Bayou. 

 Area bed. 



Mint Spring Bayou. 

 Cytherea bed. 

 Mint Spring Bayou. 

 Area bed. Cemetery road- 

 Mint Spring Bayo-u. 

 Area bed. 

 Cytherea bed. 

 Mint Spring Bayou. 

 Area bed. 



Mint Spring Bayou. 

 Vicksburg. 

 Cytherea bed. 

 Mint Spring Bayou. 

 Cemetery road. 



Area bed, Cemetery road. 



< ( (1 It I' 



Area bed. 



Cytherea bed. 



Grand Gulf sandstone. South of the Vicksburg belt are the 

 Grand Gulf sandstones. These occupy a much wider surface area 

 than the Vicksberg which they overlie, and attain a depth of about 



