HELIX CORYDA. 45 



N. ovum-reguliJjEA .Obs. i, p. 164, t. 19, f. 61. PHIL. Abbild. iii, 

 Helix, t. 10, f. 6. PER. Monogr. i, p. 285 ; Conchyl. Cab. p. 356, t. 

 136, f. 9-11. REEVE, f. 289. 



H. LINDONI Pfeiffer. PL 14, figs. 99-101. 



Imperforate, depressed-globose, thin, opaque, nearly smooth, 

 slightly marked by growth-lines, white above, and marked with a 

 narrow brown sutural line and scattered brown dots, beneath less 

 dotted and more translucent ; spire low, apex obtuse ; whorls 4'}, 

 slightly convex, the inner ones corneous ; last whorl wide, rounded 

 at the periphery, deflexed anteriorly ; aperture very oblique, round- 

 ed-lunar, white spotted with brown inside ; peristome thin, simple, 

 straight, or a trifle expanded on the base ; columella entering, 

 oblique, sub-arcuate, dilated, white. 



Alt. 9*-10, diam 15-16 mill. 



Bayamo and Mayan, Cuba. 



H. lindoni PFR. P. Z. S. 1846, p. 110 ; Conchyl. Cab. t. 27, f. 9- 

 11 ; Monogr. i, p. 29. PHILIPPI, Abbild., iii, Helix t. 10, f. 7. 

 ARANGO, Fauna Mai. Cubana, p. 64. H. lindeni PER. Monogr. iv, 

 et v, REEVE, Conch. Icon. f. 291. H. immersa GUNDL. in POEY, 

 Memoriae ii, p. 7. 



A distinct species. Note the italicised passages in the descrip- 

 tion. I cannot adopt Pfeiffer's emendation of the name of this spe- 

 cies. It is too late to change the spelling after a name has been 

 used in such widely circulated works as the Proc. Zool. Soc., Con- 

 chylien Cabinet, Monographia Heliceorum, and Philippi's Ab- 

 bildungen. 



H. BARTLETTIANA Pfeiffer. PI. 14, figs. 93, 94. 



Imperforate, sub-turbinate, rather solid, smooth, shining, pale 

 brownish, ornamented with streaks and bands of chestnut-color ; 

 spire conoidal, rather acute; whorls 5i, slightly convex, the last 

 sub-planulate beneath ; aperture sub-oblique, wide-lunar ; peristome 

 simple, acute, columellar margin planate, white, entering. 



Alt. 13?, diam. maj. 18, min. 16 mill. (Pfeiffer.) 



Bayamo and Santiago de Cuba, Cuba. 



H. bartlettiana PER. Zeitsclir. f. Mai. 1848, p. 89; Monogr. iii, p. 

 11 ; Conchyl, Cab.p. 273, 1. 113, f. 13-15. H.gosseivar. RVE, f. 262 

 [pi. 14, fig. 95]. 



I do not know the correct position of this form which has been 



