OKTHALICUS. 193 



2 . Columella without noticeable folds; aperture exceeding half 

 the length of shell. augusti, p. 195. 



O. BUCKLEYI Higgins. PI. 41, fig. 6. 



Shell imperforate, oblong-conic, solid: sculptured with irregular 

 longitudinal rugose costae and close, irregular, deeply impressed 

 spiral lines. Fleshy-rubescent under a yellowish-tawny epidermis. 

 Longitudinally ornamented with reddish-brown streaks. 



Spire conic, the apex ohtuse, suture whitish. Whorls 7, a little 

 convex, the first two minutely granulose-striate, the last nearly equal 

 to the spire, tapering at hase. Columella thick, twisted at base, 

 flesh colored. Aperture subvertical, acuminate-oblong, of a deep 

 roseate, livid color inside ; peristome thickened, expanded, narrowly 

 reflexed, whitish outside, the margins joined by a thin glossy callus. 

 Alt. 93, diam. 3(J, length of aperture 37, width 17 mill. (Hiygins). 



San Lucas, Ecuador (Buckley). 



Ortlidlicus (Porphyrobapha) buckleyi HIGGINS, P. Z. S. 1872, p. 

 680, pi. ;">(.), f. 3. Bulinms buckleyi (Orthalicus) PFR., Monogr. viii, 

 p. 21. Porphyrobaphe bncJdeyi MILLKR, Malak. Blatt. xxv, p. 185. 

 Cousix, Bull. Soc. Zool. France xii, p. 200. 



No additional information is given by the authors mentioning this 

 remarkable species subsequent to Higgins. 



O. I.-KASEKI (Pfeifler). PI. 40, figs. 31-35. 



Shell imperforate, oblong-fusiform, solid, longitudinally closely 

 striated and encircled by remote impressed lines. Flesh-colored under 

 a lusterless greenish-tawny epidermis, ornamented with interrupted 

 bands of arrow-shaped black-brown marks, or confluent into light- 

 ning-streaks. Spire conic, the apex rather obtuse, whorls <!, a little 

 convex, the last about the length of the spire, tapering at base; colu- 

 mella violaceous, provided with a strong fold above, somewhat 

 twisted below. 



Aperture very oblique, semi-elliptical, subangular at base, milk- 

 white inside, peristome roseate, thickened and expanded, the margins 

 joined by an entering, glossy lilac tinted callus; columellar margin 

 narrow, adnate. (Pfr.). 



Alt. 89, diam. 37, length of aperture with peristome 49 mill. 



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