CENTRAL PROVINCE SPECIES. l7o 



Pupa Arizonensis, Gabb. 



Shell rimate, oblong-fusiform, thiu, delicately wrinkled, i^ellucid, 

 born-color; spire elongated, apex obtuse; whorls 5, convex, ^i^- ^^4. 

 the last equaling one-half the shell's length; aperture oblique, 

 oval; peristome thickened, wliite, continuously slightly re- 

 flected, its ends approximating, joined by a light callus, that 

 of the columella straight, dilated. Length, 4^'""'; diameter, 

 2'"™ ; aperture, li""" long, 1""" wide. 



Piqja {Moclicella) Anzonensis, Gabb, Amer. Journ. Conch., ii, 331, pi. xxi, fig-. 6 

 (1866).— W. G. BiNNEY, L. & Fr.-W. Sb., i, 240, tig. 416 (1869) ; Terr. Moll., v, 

 204. 



Leiicbchila Arizonensis, Tryon, Anier. Journ. Conch., iii, 305 (1868). 



Piijja hebes, Ancey.* 



Arizona, at Fort Grant, junction of Arivapa and San Pedro Rivers; 

 Nevada, at White Pine; Salt Lake City, Utah. It thus api>ears to be 

 a species of the Central Province. 



The description and figure are drawn from an authentic specimen. 

 The species is less elongated, more blunt, and has more convex whorls 

 than Pvpa fallax. 



Animal unobserved. 



Pupa hordeacea, 'Gabb. 



Shell rimate, cylindrical, thin, scarcely striate, pellucid, horn-color; 

 spire elongated, apex obtuse; whorls 5, convex, the last equaling pjg jgs. 

 one-third the shell's length; aperture truncate-ovate; peristome 

 thickened, white, reflected, not continuous; one twisted, tooth- ^^ ? 

 like, entering, prominent fold upon the parietal wall of the 

 aperture, and one prominent, upright tooth within the aperture 

 at its base. Length, 2i'"™; diameter, f"™. 



Pupa Tiordacea, Gabb, Am. Journ. Conch., ii, 331, jil. xxi, fig. 7 (1866). 



Pu2}a hordeacea, W. G. Binney, L. & Fr.-W. Sh., i, 241, fig. 417 (1869); Terr. Moll., 



V, 255. 

 Leucochila hordacea, Tryon, Am. Journ. Conch., iii, 306 (1868). 



Arizona, at Fort Grant, junction of Arivapa and San Pedro Rivers, 

 in the Central Province. 



My description and figure are drawn from an authentic specimen. 

 The latter does not show the basal tooth of the aperture described and 

 figured by Gabb. Specimens distributed by him as Identical with this 



*1 am indebted to the kindness of Mr. Ancey for the opportunity of examining the 

 typical sjjecimens. 



