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-Avhite, 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, cariuated 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 4*, 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. n. 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 wider, 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, ad n ate 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. 



