COCHLOSTYLA-CALOCOCHLEA. 133 



mella oblique, acute, white. Aperture dilated, subauriform, Avith a 

 pearly luster inside ; peristome simple, expanded. Alt. 26, diain. 

 35 mill. (P/r.) 



Luzon, Philippines. (Cuming.) 



H. obtusa PFR., P. Z. S. 1845, p. 38 ; Monogr. i, p. 253 ; Conchyl. 

 ab. p. 437, t, 152, f. 1, 2. REEVE, Conch. Icon. f. 49. 



C. AMICTA Reeve. PI. 34, figs. 7, 8. 



Imperforate, subturbinate, semiglobose, smooth, white, covered 

 with an oily buffish epidermis ; spire conoid, a little obtuse ; whorls 

 4-j, a little convex, the last not descending, subdepressed, about 

 equaling the spire; base rather flattened; columella subvertical, 

 lightly arcuate, white. Aperture oblique, subtrapezoidal-lunar, 

 white inside ; peristome white, somewhat thickened, narrowly ex- 

 panded. Alt. 19, greater diam. 30, lesser 26 mill. (Pfr.) 



Philippines. 



H. amicta RVE., Conch. Icon. f. 52. PFR., Monogr. iii, p. 173 ; 

 Conchyl. Cab. p. 442, t. 152, f. 17, 18. 



C. DECORA Adams & Reeve. PI. 52. figs. 23, 24. 



Imperforate, conic-semi-globose, solid, nearly smooth, little shin- 

 ing, straw-colored, irregularly variegated with darker streaks. 

 Spire conoid, apex obtuse, pale. Whorls 4, little convex, the last 

 subcarinated, not descending in front : base smooth. Aperture 

 oblique, obsoletely quadrangular, white within ; peristome simple, 

 a little expanded, columellar margin flat, dilated. Alt. 18, greater 

 diam. 26 mill. (P/r.) 



Mindoro, Philippines. 



H. decora AD. & Rv., Voy. Samarang, Zool., Moll., p. 62, t. 16, f. 

 7. PFR., Monogr. iii, p. 178; Conchyl. Cab. p. 401, t. 144, f. 18, 

 19. REEVE, Conch. Icon. f. 586. 



(2.) Group of C. pulcherrima. 



C. PULCHERRIMA Sowerby. PI. 33, figs. 60-64. 



Imperforate, globose, somewhat depressed, generally solid ; 

 ground-color uniform, varying from buff or cream-color to a dark 

 chestnut-maroon ; sometimes unicolored, apparently without any 

 hydrophanous markings whatever, but generally encircled by nu- 

 merous white or creamy bands which are closely articulated or 

 broken into dots and spots. 



