22 STREBELIA OLEACINA. 



Genus STREBELIA, Crosse and Fischer. 

 S. BERENDTI, Pfeiffer. PI. 3, fig. 12, magn. 2-5 times. 



Shell smooth, shining, fulvous horn-color ; spire short, obtuse, 

 whorls 2J ; columella receding, the aperture wide below. 

 Length, 6 mill. 



Vera Cruz, Mexico. 

 The only species of the genus. 



Genus OLEACINA, Bolten, 1798. 



Section BOLTENIA, Pfeiffer. 

 O. VOLUTA, Chernn. PI. 4, fig. 39. 



Smooth, shining, greenish, yellowish or orange-brown ; whorls 

 7-8, rather flattened, suture linear, white-margined. 

 Length, 51 mill. 



West Indies. 



The largest species of the section ; it is 0. glans, Brug., and 

 0. olivacea, Schum. 



O. ATTENUATA, Pfeiffer. PI. 4, fig. 42. 



Thin, smooth, very shining, orange-brown, numerously longi- 

 tudinalty, arcuately grooved, suture simple, smooth, whorls 7, 

 rather flat. Length, 31 mill. 



Central America. 

 O. CYANOZORIA, Gundlach. PI. 4, fig. 43. 



Shell thin, rather smooth, very shining, pellucid, reddish 

 orange ; whorls 7-J, suture distinctly margined ; outer lip slightly 

 compressed in the middle. Length, 40 mill. 



Mountains near Trinidad, Cuba. 



Differs from 0. oleacea by its margined suture, and columella 

 more strongly curved in front. 



0. OLEACEA, Fer. PI. 4, figs. 46, 45. 



Shell thin, very shining, smooth, pellucid, light yellowish or 

 greenish brown; whorls 7-8, suture not margined, or but very 

 slightly so ; outer lip compressed in the middle. 



Length, 29-37 mill. 



Cuba, Haiti. 



0. straminea, Desh. (fig. 45), is sometimes designated as var. 

 major. For its distinction from 0. cyanozoria, see that species. 



