COCHLOSTYLA-CALOCOCHLEA. 157 



peristome ; finally from the last named species by its coloration, col- 

 umella, and the non-angular periphery. (Hid.} 



This species, with the two following, forms a passage to the 

 globose forms of the section Axina. 



C. RETUSA Pfeiffer. PI. 56, figs. 59, 60. 



Imperforate, subglobose, the apex retuse; thin, smooth, the base 

 concentrically striolate ; chestnut-tawny, broadly flamed and 

 streaked with white ; partly covered with a hydrophanous white, 

 deciduous cuticle, pallid above, chestnut-banded. Spire short. 

 Whorls 4, a little convex, the last subangular, scarcely descending ; 

 columella entering, white, dentate-dilated above. Aperture rounded- 

 lunar, pearly within ; peristome broadly expanded, a little reflexecl. 



Alt. 20, greater diam. 28, lesser 24 mill. (Pfr.) 



Samar, Philippines. 



H. retusa PFR., P. Z. S. 1845, p. 132; Monogr. i, p. 255; Con- 

 chyl. Cab., t. 47, f. 9, 10. PHILIPPI, Abbild. ii, p. 84, t. 7, f. 2. 

 REEVE, f. 82. 



C. LIBATA Reeve. PI. 56, figs. 61, 62, 63. 



Imperforate, subglobose, solid, nearly smooth ; epidermis brown, 

 covered with darker spiral lines. Spire serniglobose, apex obtuse, 

 nude, brown. AVhorls 4*, a little convex, the last rounded, not 

 much wider than the preceding volution ; base denuded, buff; col- 

 umellar area chestnut ; columella sub vertical, flat, white. Aperture 

 oblique, subtetragonal-lunar, white within ; peristome brownish, nar- 

 rowly expanded, right margin bowed. 



Alt. 24, greater diam. 29, lesser 25 mill. (Pfr.) 



Benguet and Mancayan, N.- W. Luzon. 



H. libata RVE., Conch. Icon., f. 35. PFR., Monogr. iii, p. 189; 

 Conchyl. Cab., p. 438, t. 152, f. 7, 8. Cochlostyla libata SEMPER, 

 Reis., p. 186. HIDALGO, Journ. de Conchyl. 1887, p. 147. 



Hidalgo notices these color-varieties : 



1. Like the type, but lip whitish, and the blackish columellar 

 band absent. 



2. Buff, ornamented with two very broad chestnut bands; suture 

 and columellar area black, apex violaceous. 



3. Tawny, last whorl unifasciate in the middle ; suture and col- 



* ' 



lellararea black, apex violaceous, (fig. 61.) 



umellar 





