194 ORTHALICUS. 



Ecuador: Province of Cuenca (Fraser, in Cuming coll.) ; Railroad 

 of Quito, 30 or 40 kilometers from Chimborazo. (Paz.) 



Bulimus fraseri PFR., Malak. Blatter, v, 1858, p. 239 ; P. Z. S. 

 1860, p. 137, pi. 51, f. 5; Novit. Conch, p. 157, pi. 42, f. 1, 2; 

 Monogr. vi, p. 15. HIDALGO, Journ. de Conchy 1. 1870, p. 44. 

 Porphyrobaphe fraseri Pfr., MILLER, Malak. Bl. xxv, 185 COUSIN, 

 Bull. Soc. Zob'l. France xii, p. 200. DOHRN, Jahrb. d. D. Malak. 

 Ges., ix, 1882, p. 114. 



Dohrn remarks that the coloration of his specimens is variable ; 

 the upper whorls have a subsutural band of white and dark brown 

 spots ; the shells are smaller than Cuming's, though of the same form 

 and sculpture, measuring: 



Alt. 73, diam. 33, length of aperture 43, width 27 mill. 



Alt. 67, diam. 30, length of aperture 41, width 22 mill. 



Alt. 60, diam. 25, length of aperture 36, width 20 mill. 



Pfeiffer's type (fig. 31) and the specimen figured in the Novitates 

 (figs. 32, 33), are decidedly more lengthened than the only one I 

 have seen, which probably represents a race or variety. 



Var. IJREVISPIRA, n. v. (pi. 46, figs. 34, 35). Decidedly shorter 

 than typical fraseri, with larger aperture ; surface decussated with 

 close spiral grooves ; 2^ nepionic whorls thimble-pitted, distinctly 

 demarked from the post-natal growth ; whorls of the spire with occa- 

 sional angular blackish stripes and fine brown wavy streaks, the last 

 whorl with four girdles of blackish arrow-spots and some black 

 streaks, on a ground of brown-stained, somewhat olivaceous yellow, 

 becoming duskier and reddish below ; lip obtuse, thick, expanded, 

 reflexed below, white; columella purplish with white folds, the 

 parietal callus 'transparent, lilac tinted. Alt. (JO, diam. 38, longest 

 axis of aperture 44^ mill. 



O. GALACTOSTOMA (Ancey). Urtfigured. 



Shell imperforate, ovate, solid ; whitish under a buff, but little 

 shining epidermis, irregularly marked with spots and interrupted 

 streaks, brownish above, brown greenish on the last whorl, and 

 arranged in four rather wide, indistinct transverse stripes. Spire 

 conoid-attenuated, rather short, obtuse ; whorls 6, rapidly increas- 

 ing, convex ; suture irregular, slightly crenulated ; embryonic 

 whorls smooth, the following ones delicately granulated, the lower 

 whorls obliquely grooved with impressed growth-stria? and 



