MUSEUM OF COMPARATIVE ZOOLOGY. 45 



Genus TORNATINA A. Adams. 



Spire elevated. Columella iiniplicate. 



T. hullata Kiener (= canaliculata Orb. non Say). 



T. recta Orb. (+ T. coix-lacryma Guppy, Geol. Mag. 1867, p. 500). 



T. canaliculata Say (noii Orl)igny). 



T. Candei Orb. (? = canaliculata Say, var.). 



T. spatha Watson. 



Subgenus COLEOPHYSIS Fischer. 



Spire depressed. Columella uniplicate. 

 C. perplicatus Dall. 



Subgenus CYLICHNELLA Gabb. 



Spire depressed. Columella biplicate. 

 C. hidentata Orb. (+ hiplicata Lea). 

 C. oryza Totten. 

 C. ovum-lacerti Guppy (Trinidad Eocene). 



Genus UTRICULUS. 



Spire elevated or involute ; shell subcylindrical ; columella simple, uni- 

 plicate. 



U. Gouldii Couthouy. 



U. pertenuis Migbels. 



U. Mayoi Dall. 



U. Frielei DalL 



U. vortex Dall. 



U. (vortex var. ?) domitus Dall. 



U, pervius Dall. 



Subgenus KETUSA (Brown) Morch. 



Shell pyriform, transversely sulcate, spire depressed, concave. 

 R. sulcata Orbigny. 

 R. ccelata Bush. 

 R. omphalis Morch. 

 R. ? ovata Jeffreys. 



Subgenus COLEOPHYSIS Fischer. 



Coleophysis perplioatus Dall. 



Shell ivory white with a very thin translucent epidermis, marked only with 

 delicate lines of growth and a few faint incised spirals near the columella ; 

 anterior half of the shell wide and rounded, posterior half narrowing toward 

 the apex with the sides somewhat compressed or flattened ; outer lip thin, 

 straight except in front where it expands a little before rounding to the rather 

 thick twisted pillar ; behind deeply notched and behind the notch arching 



