14 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



[voi,. 50 



Pliocene 

 (Same series as the Miocene except Athleta.) 



Pleistocene 

 (Same series as the Pliocene with the addition of:) 

 1853. Volutomitra Gray, Boreal. V. gronlandica Beck. 



We may now consider the undescribed or unfigured species in 

 hand. 



Genus VOLU'f OMORPHA Gabb 

 VOLUTOMORPHA EUFAULENSIS Conrad 



(Figure i) 



Volutilithcs eufaulensis Conrad, Journ. Acad. Nat. Sci., Phila., 2nd ser., 



iv, p. 286, pi. 47, fig. 18, Feb., i860. 

 Volutomorpha crctacea (Conrad) Gabb, Proc. Acad. Nat. Sci., Phila., 1876, 



p. 290 (= eufaulensis Conrad, op. cit.). 



Fig. i.— V. eufaulensis Conrad. ^. Fig. 2. — V. retifera Dall. 3/. Kauf- 

 Ripley, Miss. man, Texas. 



