137 



Shell pyramidal, thin, whitish, keeled around the edge ; 

 spire rather acuminated, volutions 5 — 6, slightly ventricose on 

 the sides, the last by far the largest, with its medial edge 

 keeled, and having from 4 to 6 spiral brown lines ; suture 

 rather indistinct ; aperture large, suborbicular, with its colu- 

 mellar side rather straight ; peritreme white, somewhat thick- 

 ened, reflected, somewhat interrupted at the last voluton; 

 umbilicus moderate ; operculum horny, thin, with the edges 

 of its volutions lamellar, rather elevated. Found by Mr. 

 Cuming on leaves of trees and bushes, in several of the Philip- 

 pine Islands, and named in honour of the Rev. F. J. Stainforth. 



130. C. atricapillum. (pi. xxx. f. 230. 231.) nob. 



T. globoso-pyramidali, tenui, nitidula, albicante, varie 

 fusco-strigata, apicenigro, anfractibus 5, subrotundatis, plus 

 minusve obsolete spiraliter carinatis ; sutura distincta ; aper- 

 tura rotundata, superne subacuminata ; peritremate acuto, 

 reflexo, latere umbilicali subsinuato, ultimi anfractus interrup- 

 to ; umbilico parvo ; operculo corneo, tenui. 



Shell globoso-pyramidal, thin, somewhat shining, whitish, 

 variously striped and speckled with dark brown, and having a 

 black apex ; volutions 5, rather rounded, more or less obso- 

 letely spirally carinated ; suture distinct ; aperture round, 

 rather acuminated at the upper part; peritreme acute, 

 reflected, slightly sinuated on the side toward the umbilicus, 

 interrupted against the last volution ; umbilicus small. First 

 brought from the Philippine Islands by J. D. Smith, Esq. 

 Mr. Cuming collected several varieties on the leaves of trees 

 and shrubs, at Puerto-galero, in the Island of Mindoro. 



131. C. goniostoma. (pi. xxx. f. 233. 234.) nob. 



T. suborbiculari, conoidea, margine carinato, tenui, subpel- 

 lucida, laevi, albida, fusco-varie strigata, spira acuminata, apice 

 nigricante, obtusiusculo ; anfractibus 5£, planulatis, ultimo 

 subventricoso, obsolete bi-vel tri-carinatis, margine acuto, 

 antice subplanulato ; apertura rotundato-subtrigona, antice 

 subrotundata, postice extusque angulata, peritremate tenui, 

 angusto, reflexo ; umbilico parvo. 



Shell suborbicular, conical, with a carinated edge, thin, 

 rather pellucid, smooth, whitish, variously striped with brown ; 

 spire acuminated, rather obtuse, blackish; volutions 5£, flat- 

 tened, the last slightly ventricose, with two or three obsolete 

 keels, sharp at the edge, flattened in front; aperture of a 

 rounded subtriangular form, rounded in front, and angular 

 posteriorly as well as at the external edge ; with a thin, narrow, 



