OP OONOHOLOGY. 245 



Eahitats. — Mission San Antonio, CaL; Shasta Co., Cal. W. 

 Newcomb. Pit River, Cal. Dr. J. S. Newberry. Feather 

 River, Cal. J. H. Thomson. 



My Cabinet. Cabinet of Smithsonian Institution, Wesley 

 Newcomb, M. D., and J. H. Thomson. 



An immature specimen (Fig. 15) measures, length | inch, 

 diam. \ inch. 



Bemarks. — This species is more ventricose than any of the 

 preceding, and differs also in the angled surface of the body 

 whorl. The number of raised lines varies from eight to twelve 

 in the half- grown specimens; in the adults, all but the most 

 prominent become obsolete. 



The full-grown shells are a little constricted on each whorl, 

 and a little lighter colored below the suture, on almost all of my 

 specimens. The apices are slightly eroded, but sufficiently so 

 to destroy entirely the plication frequently exhibited by 

 younger shells. 



10. GoNioBAsis Newberryi, Lea. — t. 24, f. 16. 



Description. — "Shell smooth, ovately conical, rather thin, 

 dark brown, triple-banded, yellow below the suture; spire 

 somewhat raised ; suture much impressed ; whorls siz, inflated ; 

 aperture rather small, ovately rounded, whitish and banded 

 within; outer lip inflated; columella whitish, incurved. 



Operculum ovate, rather thin, dark brown, with the polar 

 point near the inner inferior edge. 



Habitat. — Upper des Chutes River, Oregon Territory. J. 

 S. Newberry, M.D. 



Dimensions. — Diam. 'SO inch, length 'Gi inch. 



Remarks. — This is a rather small species, very nearly allied 

 to Melania [Ooniohasis) Taitiana (nobis), from Claiborne, Ala- 

 bama, but differs in being rather more inflated, of a darker 

 color, and having three dark bands instead of four. The 

 bands in Newherryi are broad and dark, sometimes running 

 into each other, while the Taitiana has thinner ones of a lighter 

 color. In some specimens of the latter, the bands are absent, 

 but I have seen no specimen of the former without bands. 

 These give a dark appearance to the shell, which is well re- 

 lieved by the yellow margin under the suture. I have great 

 pleasure in naming it after Dr. Newberry, the discoverer of 

 it." 



I have not seen any of this species except Mr. Lea's speci- 

 mens. These are very uniformly banded; except in this re- 

 spect, they are certainly extremely closely allied to hulhosa, 

 Gould. 



