Weno and Pawpaw Formations 



GASTROPODA 137 



Amberleya graysonensis n. sp 137 



Trochus laticonicus n. sp 138 



Helicocryptua mexicnnus B6ie 139 



Nerita sp 139 



Neritina sp 139 



Anchura mudgeana White 139 



Natica sp 140 



Lunatia sp 140 



Globiconcha sp 140 



Turritella graysonensis n. sp 140 



Turritella worthensis I), sp 142 



Cinulia washitacnsis n. sp 143 



PROTOZOA 145 



Nodoiaria texana Conrad 145 



BIBLIOGRAPHY 146 



PLATES 111. . ..149-170 



