1889.] NATURAL SCIENCES OF PHILADELPHIA. 91 



NEW SPECIES OF SHELLS FROM NEW HEBRIDES. 

 BY W. D. HARTMAN, M. D. 



Charis bicolor, Nobis. PI. V, fig. 1, 1 a. 



Shell ovate, rather thin, translucent, smooth, lines of growth fine ; 

 whorls 4i, strongly convex, the last ovate and much inflated ; spire 

 short conoid, of a red saffron color ; body-whorl a soiled white, with 

 traces of a brown epidermis ; aperture ovate, direct ; labium re- 

 flected and thickened ; a heavy deposit on the columella with a 

 broad fold over the umbilicus, but not concealing it; labium a 

 dull silvery white or red for one-fourth of an inch within the aper- 

 ture, which is white. 



Alt. 31 to 41, diam. 19 ; aperture, alt. 20, breadth 11 mill. 



Habitat, Aura Island, N. Hebrides. 



E. L. Layard, Esqr. 



06s. This species is near C. ochrostomvs Garrett. All ex- 

 amnles received thus far are weatherbeaten. 



x 



Charis Rossiteri, Nobis. PI. V, fig. 2, 2 a. 



Shell acutely ovate, thin and translucent ; whorls 4j, convex, the 

 last elongate-ovate; apical whorls acute, the first 2i of a reddish, 

 saffron color ; epidermis brown fugacious, with darker striations ; 

 body-whorl white beneath the epidermis ; aperture ovate, direct, 

 white ; labium thin and reflected, with a slight deposit on the col- 

 umella and a broad fold over the compressed umbilicus, but not 

 concealing it. 



Alt. 38, diam. 16 ; aperture, alt. 20, breadth 9 mill. 



Habitat, Aura Island, N. Hebrides. 



E. L. Layard, Esqr. 



Obs. A smaller species than the preceding. 



Oxychona Layardi, Nobis. PI. V, fig. 3. 



Shell acutely conical, imperforate; whorls 7, the four apical 

 whorls slightly rounded, translucent and a pale reddish color ; 

 lower whorls flat, the last acutely carinate at the periphery; lab- 

 ium simple and slightly reflected, with an acute notch at the outer 

 margin; aperture subquadrate, of a pale color; color white, with 

 flecks and zigzagged lines of gray ; two black thread-like lines with 

 a brown one between on the basal carina, extending to the third 

 whorl, and visible within the aperture ; color of the base a dusky 



