HELIX POLYMITA. 55 







anteriorly ; aperture smaller than in H. versicolor ; peristome simple, 

 slightly labiate within ; columella and parietal wall pink except in 

 the pure white variety. 



Alt. 17, diam. 17 mill.; alt. 21, diam. 21 mill. 



Nuevitas y Sagua to Tanamo, South-eastern Cuba. 



H. muscarum LEA, Ob*, i, p. 163, t. 19, f. 59. PFR. in PHILIPPI, 

 Abbild., ii, t. 4, f. 10 ; Conchyl. Cab. p. 223, t. 27, f. 12-21 ; Monogr. 

 i, p. 27 ; v, p. 49. REEVE, f. 290. ARANGO, Fauna, p. 62. H. 

 globulosa FEE. Hist. t. 25, f. 3, 4 ; t. 25A, f. 7, 8. (preoc.) WOOD, 

 Index Test, suppl. t. 7, f. 35. H. carnicolor ORB. Moll. Cuba i, p. 

 158, t. 10, f. 5-8. Polymita muscarwn W. G. BINNEY, Ann. N. Y. 

 Acad. Sei. iii, p. 90 (dentition.) 



H. muscarum differs from H. versicolor in the different coloration, 

 smaller aperture, differently shaped spire, and in the dark dots 

 scattered irregularly over its surface. 



Var. SUBBROCHERI Pilsbry. PI. 32, fig. 60. 



I propose this name for a form of Polymita intermediate between 

 H. muscarum and H. broche in form. It is solid, opaque, white, 

 with three ochraceous zones and pinkish aperture. 



Alt. 22, diam. 19 mill. 



H. BROCHERI Gutierrez. PL 19, figs. 57, 58. 



Imperforate, oblong-conical, solid, with an opaque white ground- 

 color, marked (1) by numerous narrow longitudinal light chestnut 

 streaks, interrupted by a white zone near the suture, two narrow 

 blackish median bands, and usually two more dark lines on the 

 base, near together ; or (2) no longitudinal streaks ; blackish basal 

 and subsutural bands; a pair of wide chestnut zones around the 

 median part of the whorl ; or by some combination of these mark- 

 ings, rarely nearly unicolored, white. Surface slightly marked by 

 growth-lines, shining. Spire very much elevated ; apex obtuse ; 

 whorls 5, convex ; aperture small, irregularly oval ; outer and 

 basal lips simple, acute, white or maroon inside ; columella sub- 

 vertical, more or less prominently folded in the middle, and together 

 with the parietal wall, crimson or maroon colored. 



Alt. 23, diam. 17 mill. ; alt. 26, diam. 15 mill. 



Eastern extremity of Cuba. 



H. brocheri Gut. mss. teste Gundlach, in litt. PFEIFFER, Novitates 

 Conch, ii, p. 237, t. 61, f. 7, 8.Malak. Bl. 1864, p. 124; Mono- 



