﻿i2 Bulletin 21 130 



lens ; aperture narrow; interior smooth. 



Length of shell 5 ; of aperture 2 ; of body whorl 3.5 ; great- 

 est width 2 mm. 



Oligocene of the Chapola marls, Bailey's Ferry, Florida. 



Cornell University collection. 



Mangilia nemorensis, n. s 

 Plate II, fig. 4. 

 Shell small, short fusiform, spire acute, whorls six, of which 

 the first two are smooth, the remainder sculptured with fine rib- 

 lets (eight on the last whorl) and fine spiral threads which are 

 more prominent than in M. Ramondi. Length of shell 4 ; great- 

 est width 1.5 mm. 



Oak Grove, Santa Rosa County, Florida. 

 Mr. Aldrich's collection. 



Mangilia Ramondi, n. s. 

 PI. Ill, fig. 5. 



Shell small, slender, with an acute spire, whorls seven, of 

 which the first two are smooth, the third ornamented with spiral 

 threads, and the remaining whorls with both spirals and longi- 

 tudinal riblets (eight on the last whorl). Spirals very close and 

 fine, not visible without a lens. Aperture narrow, elliptical ; 

 outer lip simple without internal lirse. Length of shell 5 ; great- 

 est width 2 mm. 



Named in honor of Monsieur Ramond of the Jardin des 

 Plantes, Paris. 

 - Oak Grove, Santa Rosa County, Florida. 



Mr. Aldrich's collection. 



This shell resembles in general form M. Tarri from which it 

 differs 'in having no internal lirse and in the presence of spiral 

 sculpture. 



Mangilia Strabonis, n. s. 

 PI. Ill, fig. 6. 

 Shell small, fusiform, with seven whorls, of which the first 



