doi) Galveston Well Fossils 19 



Qlivella siibtexana, n. sp. PI. 4, fig. i. 



Syn. Olivella, n. sp. , Har., 4th Ann., &c., p. 121. 



Specific characterization. — General form as indicated by the fig- 

 ure ; whorls 6 ; columella well marked ; a callosity extending up- 

 wards from the suture of the body whorl half way to that of the 

 penultimate whorl ; outer lip non-lirate within ; inner lip with pli- 

 cations on the lower two thirds of its length, strong above and be- 

 low but smaller medially. 



Range in depth . — From 2,552 to 2,871 f eet . 



MELONGENA. 



Melongena melongena. 



Syn. Mtirex vielongena lyinn., Syst. Nat., loth ed. 1758, p. 



751- 

 Melongena melongena of various authors. 



Range in depth. — From 2,448 to 2,465 feet. 



NASSA. 



Nassa galvestonensis, n. sp. PI. 4, fig. 2. 



Syn. Nassa, n. sp. near ambigtca, Harris, 4th Ann. &c. 



Specific characterization. — General form as indicated by the 

 figure ; whorls 6 or 7 ; i , 2 , and sometimes 3 smooth ; below long- 

 itudinall}', obliquely plicate and strongly spirally striate, the stri- 

 ations slightly enlarged on the plicae ; the latter on the body whorl 

 from 10 to 13 in number, slightly smaller for some distance be- 

 hind the thickened lip, all crossed by a more or less strongly 

 marked subsutural line or depression ; labrum thin at the margin 

 but thickening rapidly without by a strong varix, striate within ; 

 labium well calloused, a spiral line or ridge above, extending to a 

 sharp point below , canal extremely short. 



Range in depth. — From 2,410 to 2,871 feet. 



Nassa trivigalvesta, n. sp. PI. 4, fig. 3. 



Syn. Nassa, allied to trivittata, Har., 4th Ann. &c., p. 121. 



