222 UROCOPTIS, S. G. GONGYLOSTOMA. 



90 b. Var. subelegans Pilsbry, n. v. PI. 53, figs. 47, 48, 49, 50. 



Shell deeply riinate, subcylindric, a little swollen in the 

 middle, tapering above; pale corneous, very glossy, very 

 finely arcuate-striate, the striae lower and finer than in U. 

 elegans or auberiana. Whorls rather convex, the last shortly 

 free, very densely and more sharply striate on the neck. 

 Aperture nearly round, the lip white, expanded, not reflexed 

 as in U. elegans. Axis with two lamellae, the lower one 

 widest. 



Length 20, diam. 4.4 mm.; whorls 12%. 



Length 16.5, diam. 4 mm. ; whorls 10. 



Length 12.5, diam. 3.3 mm. ; whorls 10%. 



Western Cuba: Artemisa, Pinar del Rio (Chas. Wright) ; 

 La Salud (R. Arango). 



Urocoptis elegans variety, PILS. & VAN., Proc. A. N. S. 

 Phila. 1898, p. 276, pi. 18, f. 17. 



Similar to auberiana, but more finely striate, and with the 

 lower axial lamella larger instead of the upper, although in 

 many specimens the disparity is less marked than in that 

 figured. The lip is far narrower than in U. elegans. Cf. 

 U. hilleiana. 



91. U. HILLEIANA ('Gundl.' Arango). 



Shell cylindric-turrete, truncate, rather solid, obliquely, 

 very finely striate, opaque, brownish-ashen. Whorls 13-14 

 remaining, convex, somewhat contabulate, the last free. 

 Peristome expanded a little, whitish. Suture deep, simple. 

 Aperture subcircular. Length 14, diam. 3% mm. Internal 

 column encircled by two thick lamellae, the anterior one 

 wider. (Arango). 



Western Cuba: Madruga, province of Habana (Gundlach). 



Cyl. hilleiana Gundl. mss., ARANGO, An. Real Acad. Cien., 

 etc., de Habana, xii, p. 282, no. 8 (1876). 



Dedicated to Dr. Luis Hille, of Marburg, Germany. 



92. U. PRIMA (Arango). 



Shell rimate, cylindric-turrete, rather solid, somewhat 

 closely, obsoletely ribbed, whitish; spire noticeably tapering 



