12 HELIX CYSTICOPSIS. 



Alt. 8, diam. maj. 11, min. 10 mill ; alt. 7, diam. 9 mill. 



H. auberii, d'OnB. Moll. Cuba, i, p. 157, t. 7, f, 13-15. PFR., 

 Monographia, iii, p. 152 and Conchyl. Cab. p. 476, t. 158, f. 22-24. 

 - The figures of Orbigny are poor ; the species is never gibbous 

 beneath as shown in pi. 11, fig. 11. These figures (10-12) are en- 

 larged. The species may be known by its umbilicus and the de- 

 pressed, often subangulated body-whorl. 



H. HJALMARSONI Pfeifler. PL 31, figs. 14-16. 



Imperforate, globose-depressed, thin, fragile, light russet-brown, 

 with a scarcely visible supra-peripheral light fascia, all over elegant- 

 ly, very regularly and densely plicate-striate, lusterless or nearly 

 so; spire low-conoidal, apex a little obtuse, the first l-l whorls 

 smooth, submammillated ; suture moderately impressed ; whorls 4, 

 the last rapidly widening, rounded, a trifle descending anteriorly ; 

 aperture rotund-lunate, slightly oblique, ribbed inside the same as 

 outside ; peristome a trifle expanded, its terminations somewhat 

 approaching; right margin regularly arcuate, columellar margin re- 

 flexed, a small triangular callus adnate over the umbilicus. 



Alt. 8 diam. maj. 11 min. 9J, mill. ; alt. 7f, diam. maj. 12, min. 



10 mill. 



Sierra Mte. Christi, and Porto Plata, Hayti. 



H. hjalmarsoni PFR. MalaL Bl. 1858, p. 148, t. 3, f. 1-3, and 

 Monogr., v, p. 286. 



Quite distinct in the globose-depressed form and strong, pliciform 

 strise. 

 H. PEMPHIGODES Pfeiffer. PI. 12, fig. 33. 



Imperforate, depressed-conoidal, very fragile, sub-translucent 

 nearly lusterless, light russet or brownish corneous, wrinkles of in- 

 crement rather light, or surface strongly costate ; spire conical, 

 apex minute, rather acute; whorls 4, very rapidly windening, 

 scarcely convex, the last angular in front of the aperture, the angle 

 more or less evanescent toward its termination, slightly deflected 

 anteriorly ; aperture large, oblique, truncate-oval or rounded-lunar; 

 peristome simple, acute or a little expanded, margins somewhat 

 converging, the pillar-lip reflexed and adnate at the place of the 

 umbilicus. Alt. 14, diam. maj. 19, min. 15, mill. 



Eastern Cuba. 



H. pemphigodes PFR., P. Z. S. 1846, p. 110; Monographia, i, p. 35. 

 REEVE, Conch. Icon., f. 295. H. pelliculata GUNDL. POEY, Memo- 

 rias, ii, p. 7, 



