116 Hew Species of Triodopsis. 



spire scarcely elevated, apex obtuse ; suture impressed ; "vvhorls 7, rather 

 convex, gradually increasing ; the last somewhat depressed at the aperture, 

 obsoletely spirally striated, constricted behind the aperture, and slightly 

 scrobiculated, base sub-convex ; umbilicus moderate, | diameter of the 

 shell, pervious ; aperture very oblique, sub-circular, vpith a v^ell developed 

 flexuose, transverse white tooth on the parietal wall ; peristome reflected, 

 pale chestnut colored, thickened within, the margins joined by a slight 

 callus, the right margin with a white, obtuse, erect, submarginal tooth, 

 the basal margin with two white transverse teeth, the upper one the larger. 



Habitat, near Sauta Fe, New Mexico, Avliere two living and 

 one dead specimen were collected by my friend, Dr. G. M. Le- 

 vette, who presented to me one of the former. Cabinet of Dr. 

 Levette, and the Binney and Bland collection in the American 

 Museum of Natural History, New York. 



Remarlcs. — This species is quite distinct from any known 

 North American or other form. The number of whorls, and 

 of teeth, their form and color, with the color of the shell and 

 peristome, are its peculiar features. The stria? are by no means 

 so well developed as shown in the figures. 



