208 PROCEEDINGS OK THE M ALACOLOGICAL SOCIETY. 



DESCRIPTIONS OF NEW SPECIES OF MARINE MOLLUSCA 

 COLLECTED BY THE LATE OTTO KOCH AT THE ISLAND 

 OF CEBU, PHILIPPINES. (Second Paper.) 



By G. B. Sowerby, F.L.S., etc. 



Read 8th March, 1901. 



PLATE XXII, Figs. 1-14. 



1. Phos nttens, n.sp. PI. XXII, Fig. 1. 



Testa oblonga, fusiformis, crassiuscula, albida, nitens ; spira medio- 

 criter elougata, convexiuscula ; anfractus 7-8, rotunde convexi, priori 

 3-4 keves, cseteri spiraliter obscure lirati, lougitudinaliter costati, 

 costis circ. 12, crassiusculis ; anfractus ultirnus spiram fere sequans, 

 basiru versus conspicue liratus, vix rostratus ; apertura oblongo-ovata, 

 caDali lato, brevissimo ; columella leviter arcuata, infra medium plica 

 unica obliqua angusta instructa ; labrum arcuatum, intus liratum, 

 extus varicosum. Long. 9, maj. diam. 4 mm. 



This interesting little shell is remarkable for its shining silvery- 

 appearance, and the complete smoothness of its upper whorls. The 

 spiral ridges are very obscure, excepting towards the base of the last 

 whorl, while the longitudinal ribs are similar to those prevailing in 

 other members of the genus. 



2. Nassa Cebtjensis, n.sp. PI. XXII, Pig. 2. 



Testa oblongo - ovata, solidiuscula, luteo - fusca, purpureo - fusco 

 balteata ; spira elata, convexiuscula, ad apicem acuta ; anfractus 8, 

 complanati, vix convexi, plicis supra latiusculis, infra evanidis, striis 

 spiralibus numerosis, conspicuis, alternatim crassiusculis et angustis 

 sculpti ; anfractus ultimus spiram sequans, leviter convexus ; apertura 

 subovata, antice lata, postice angustior, fauce purpureo-fusca ; 

 peristoma crassiusculum, glabrum, intus valde liratum, callo colu- 

 mellari leviter effuso, postice uniplicato. Long. 12, maj. diam. 5'5 mm. 



The shell is very neatly striated throughout, the longitudinal plicae 

 are conspicuous at the top of the whorls marking the suture. Upon 

 the upper whorls (of the type specimen) is a single narrow purplish- 

 brown band, while the body-whorl is ornamented by an additional 

 broad brown band. The shell does not seem to be very closely allied 

 to any known species. 



3. Drillia (Clavus) fusco-nitens, n.sp. PI. XXII, Pig. 3. 



Testa fusiformis, crassiuscula, glabra, extus intusque nigro-f usca ; 

 spira leviter elata, acuta ; anfractus 9, leviter convexi, costis 8 crassis 

 rotundatis glabratis instructi ; anfractus ultimus spiram paulo superans, 

 convexus, obtusissime angulatus, leviter obliquus, haud rostratus, 



