16 COCHLOSTYLA-HYPSELOSTYLA. 



Buhmus ccesar PFE., P. Z. S., 1854, p. 293 ; Monogr. iv, p. 357. 

 Cochlostyla ccesar, HIDALGO, Journ. de Conch. 1887, p. 168, t. 6, 

 f. 4. 



Section XI. HYPSELOSTYLA Martens, 1868. 



Cochlostylce elongated MARTENS, Ostas. Zool. Landschn. p. 98, 

 1867. SEMPER, Reisen Landmoll. p. 208. Hypselostyla MAR- 

 TENS MS., PFR., Monogr. Hel. Viv. vi, p. 7, 15 (for C. nympha and 

 C. dactylus^.PFR. CLESS., Nomencl. Hel. Viv. p. 207, 1878 (as 

 synonym of Ortho stylus). MLLDFF., Landschn. Cebu p. 243, 1890. 



The shell is imperforate, narrow and elongated, usually rather 

 thin and somewhat carinated at the periphery ; peristome more or 

 less expanded but not broad ; no umbilical fissure. 



Group of C. cincinna. 



Species with light ground color, with or without bands. 

 Hydrophanous cuticle wanting or very inconspicuous. 



C. CINCINNA Sowerby. PL 10, figs. 1, 2, 3, 4, 5. 



Imperforate, lengthened, pyramidal, solid but not thick ; surface 

 shining, white, pink or pink-brown, with or without a darker colu- 

 mellar patch, and usually having the last whorl irregularly streaked 

 and speckled with brown cuticle. 



The spire is long, apex obtuse ; whorls 6?, slightly convex, the 

 last well rounded. Aperture oblique, small ; peristome blunt, very 

 slightly or not expanded ; columella vertical, usually somewhat 

 truncated below. 



Alt. 46, diam. 25 ; oblique alt. of aperture 22 mill. 



Alt. 40, diam. 25 ; oblique alt. of aperture 20 mill. 



Romblon ; Temple and Burias, Philippines. 



Helix cincinnus SOWB., P. Z. S., 1840, p. 98. Bui. cincinnus PFR., 

 Monogr. ii, p. 9 ; Conchyl. Cab. p. 182, t. 53, f. 10-13. REEVE, 

 Conch. Icon. t. 7, f. 30. Cochlostyla cincinna SEMPER, Reisen 

 Arch. Phil. Landmoll. p. 211. Bulimus labiozonalis GRAT.. 

 Actes Soc. Linn. Bord. xi, p. 419, t. 4, f. 13. Bid. gracilis LEA, 

 Proc. Am. Philos. Soc. i, p. 173 ; Trans. Am. Philos. Soc. vii, p. 

 456, f 11, f. 6. Bui. spretus REEVE, Conch. Icon. t. 85, f. 633. 

 B. virens PFR., P. Z. S., 1842, p. 153 ; Monogr. ii, p. 8. REEVE, 

 Conch. Icon, t. 7, f. 32. B. romblonensis PFR., P. Z. S. 1842, p. 

 152. REEVE, Conch. Icon. f. 34. B. pastorella VAL. 



