50 HELIX JEANNERETIA. 



becoming almost evanescent on the latter part of the whorl ; base 

 moderately convex, somewhat tumid toward the aperture ; aperture 

 oblique, oblong-lunar ; peristome fleshy-white, the margins scarcely 

 converging, upper margin curved, slightly expanded, basal reflexed, 

 appressed. Alt. 13, diam. 21 mill. (Pfeiffer.~) 



Western Cuba. 



H. wrighti GUNDL. in PFR. Mai BL 1865, p. 118 ; 'Novit. Conch. 

 p. 270, t. 67, f. 6-8 ; Monogr. v, p. 272. 



This form differs from the H. multistriata in being generally im- 

 perforate, carinated and more trochiform. I have seen but a single 

 specimen. It is adult, but is narrowly perforated. 



H. DERMATINA Shuttleworth. PI. 10, fig. 93. 



Imperforate, globose-conical, thin, obliquely delicately rugose, 

 scarcely shining, pellucid, reddish yellow, ornamented with two nar- 

 row reddish bands ; spire conical, acute ; whorls 4J, scarcely convex, 

 spirally sublirate above, the last briefly deflexed anteriorly and sub- 

 constricted ; periphery carinated, base convex ; columella flat, slight- 

 ly arcuate, violet tinted ; aperture oblique, rounded-lunar ; peristome 

 reddish-violet, all around narrowly expanded. 



Alt. 11, diam. 16 mill. (Pfeiffer.} 



Porto Rico, at Luquillo (Musas,~) and Quebradillas. 



H. dermatina SHUTT. Diagn. h. Moll. no. 6, p. 133. REEVE, 

 Conch. Icon. f. 1289. PFEIFFER, Monogr. iv, p. 204. 



Known to me only by the above description. Apparently a dis- 

 tinct species. 



H. PARRAIANA d'Orbigny. PL 10, figs. 1-7. 



Imperforate, globose-conical, or depressed, solid, reddish-brown, 

 with a whitish peripheral zone bordered above by darker chestnut, 

 lighter at the sutures and beneath ; spire conic, apex subobtuse ; sur- 

 face spirally lirulate, and somewhat rugose longitudinally ; whorls 

 6-}, gradually widening, the last w T ider, rounded at the periphery, 

 dilated and gibbous behind the aperture, then strongly constricted ; 

 deflexed anteriorly ; aperture very oblique, rounded-lunar ; peristome 

 reflexed, white or flesh-colored, upper and outer margins arcuate, 

 baso-columellar margin straightened, adnate over the umbilicus- 

 There is often a small tubercle on the outer lip at the termination of 

 the peripheral fascia. Alt. 22, diam. 26 ; alt. 16, diam. 22 mill. 



Cuba. 



