CALLIOSTOMA. 355 



aperture subquadrate ; columella straight, subtruncated anteriorly ; 

 ajDerture white inside. (Ad.) 



Isktnd of Ticao, Philippines, 6 fms. 

 Z. ticaonicus Ad., P. Z. S. 1851, p. 167. — Reeve, Conch. Icon., 

 f. 43. 



C. DECussATUM A. Adams. PI. 17, fig. 33. 



Shell elevated-conic, subperforate, whitish, ornamented with green 

 longitudinal maculations ; whorls plane, margined and a little prom- 

 inent at the base ; sculptured with granulate cinguli, decussated by 

 elevated longitudinal lines ; last whorl angulate, base a little convex, 

 ornamented with granulate cinguli ; aperture subquadrate ; columella 

 straight, truncate at base. (Ad.) 



Calipan, Mindoro, 12 fms. 



Z. deciissatus Ad., P. Z. S. 1851, p. 167. — Reeve, Conch. Icon., 

 f. 65. 



C. jAPONicuM A. Adams. PI. 17, fig. 25. 



Shell turreted-conic, smooth, shining, imperforate; whorls plane, 

 with two impressed lines at ba.se, the last angulate, red with white and 

 yellow flanimules, base convex, sculptured with articulated cinguli ; 

 aperture subquadrate, iridescent green inside. (Ad.) 



Japan. 



Z. japonicus Xd., P. Z. S. 1851, p. 167. — Reeve, Conch. Icon., 

 f. 49. 



Compare Cantharidus hilar is Lischke, antea, p. 130. 

 C. UNiciNCTUM A. Adams. PI. 17, fig. 34. 



Shell turreted conical, imperforate, buff; w'horls plane, subim- 

 bricating, ornamented at base with slightly prominent cingulus 

 articulated with red, and close transverse lines ; last whorl angulate, 

 base produced, sculptured with concentric lines and an elevated 

 articulated cingulus; aperture subtrigonal, columella straight, sub- 

 canaliculate at base. (Ad.) 



Lord Hoods Island, on pearl oysters, 8-10 fms. 



Z. unicindus Ad., P. Z. S, 1851, p. 167. — Reeve, Conch. Icon., f, 

 58. 



C. PKTURATUM A. Adams. PI. 17, fig. 38. 



Shell turreted-conical, imperforate, green or violaceous, ornamented 

 with undulating bands and zizgag lines ; whorLs plane, basal margin 

 crenulated, sculptured with transverse impressed lines ; last whorl 



