COC'HLOSTYL, A-CALOCOCHLEA . 1 49 



(6). Group of C. melanochila. 



C. PAN Broderip. PI. 3.3, figs. 56, 56, 57. 



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

 ground-color chocolate-brown 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 con oidal, apex obtuse; whorls 5], the upper 

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

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

 conspicuously dark edged ; columella oblique, nearly straight or 

 obsoletely bisinuate. 



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



BoJwl and Panglao, Philippines. 



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

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

 p. 265, t. 39, f. 5-7. DELESSERT, Rec. de Coq., t. 38, f. 9. 



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

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

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



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



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

 and very minute, subobsolete spiral strise. Ground-color dark brown, 

 having a darker band at the periphery and under the suture. 

 Hydrophauous cuticle forming a subsutural series of blotches, a 

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

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

 cuticle. 



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

 Whorls 4i, the last obtusely subangular at the periphery, not in the 

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

 lip narrowly expanded and subreflexed, dark brown; columella 

 wide, flattened, subtruncate below 7 . 



Alt, 28, diam. 40 mill. 



Mindanao; Surigao, Philippines. 



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

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

 lignarius PER., also a Cochlostykt). Cochlostyla depressa SEMPER, 

 Reis., p. 180. HIDALGO, Jo urn. de Couchyl. 1887, p. 137. 



