COCHLOSTYLA-CALOCOCHLEA. 149 



(6). Group of C. melanochila. 



. PAN Broderip. PI. 33, figs. 56, 56, 57. 



Imperforate, globose-depressed-conoid, solid, smooth, lusterless ; 

 ground-color chocolate-broivn below, yellowish-brown above the periph- 

 ery ; suture narrowly margined with dark brown, covered with a 

 hydrophanous creamy cuticle which is everywhere conspicuously 

 banded with rust-brown above and chocolate below. 



The spire is rather conoidal, apex obtuse; whorls 5], the upper 

 learly flat, the last convex, a little descending in front. Aperture 

 tinted inside, not showing bands ; peristome reflexed, more or lees 

 mspicuously dark edged ; columella oblique, nearly straight or 

 )bsoletely bisinuate. 



Alt. 43, diam. 42 mill, (average size.) 



Bohol and Panglao, Philippines. 



H.pan BROD., P. Z. S. 1841, p. 23. KEEVE, Conch. Syst., t. 165, 

 f. 19 ; Conch. Icon., f. 24. PER., Monogr. i, p. 245 ; Conchyl. Cab., 

 ). 265, t. 39, f. 5-7. DELESSERT, Eec. de Coq., t. 38, f. 9. 



The ground-color is much as in Hadra bipartita. The hydropha- 

 lous cuticle has bands of rust-brown as well as zones of the chocolate 



>und-color. It is a beautiful shell, exhibiting but little variation. 



/. DEPRESSA Semper. PI. 50. figs. 4, 5, 6, 7, 8. 

 Imperforate, solid, depressed ; surface having light growth-lines 

 id very minute, subobsolete spiral striae. Ground-color dark brown, 

 mving a darker band at the periphery and under the suture, 

 [ydrophanous cuticle forming a subsutural series of blotches, a 

 Peripheral zone and numerous narrow bands on the base, of cream- 

 'jhite, the rest of the surface closely lineate with brownish-white 

 iticle. 



The spire is low, rounded; sutures superficial; apex obtuse. 

 r horls 4, the last obtusely subangular at the periphery, not in the 

 descending in front. Aperture oblique, leaden-bluish inside ; 

 lip narrowly expanded and subreflexed, dark brown; columella 

 ride, flattened, subtruncate below. 

 Alt, 28, diam. 40 mill. 



Mindanao ; Surigao, Philippines. 



H. lignaria PFR., P. Z. S. 1846, p. Ill ; Monogr. i, p. 259 ; Con- 

 ;hyl. Cab., p. 424, t. 149, f. 15. REEVE, fig. 40. (not Bulimus 

 'ignarius PFR., also a Cochlostykt). Cochlostyla depressa SEMPER, 

 ., p. 180. HIDALGO, Journ. de Conchyl. 1887, p. 137. 



