4 85 
18. CerrrHipEA Aausrvaricosa, A. Adams. C. testa turrito- 
conica, apice acuta, solida, fusco-grisea, linea spirali, luteola, 
ad medios anfractuum ornata, albivaricosa; anfractibus con- 
vextusculis, varicibus numerosis, distantibus, alternantibus in- 
structis, longitudinaliter costatis, costis nodulosis, transversim 
sulcatis ; anfractu ultimo rotundato, basi spiraliter sulcato ; 
apertura suborbiculari, antice sinuata; labro expanso, margine 
acuto, subreflexo. 
Hab. Philippine Islands. Mus. Cuming. 
This species is easily recognized, on account of the conspicuous 
white varices of the whorls. 
-19. Crerrruipea raricostata, A. Adams. C. testa turrito- 
conica, apice truncata, tenui, rubro-fusca, linea albo-lutea spi- 
rali ad medios anfractuum ornata; anfractibus convexis, su- 
turis impressis, varicibus nullis, costis longitudinalibus distan- 
tibus, interstitiis levibus, subcostellatis ; anfractu ultimo ad 
basin funiculo cineto, infra funiculum subplano et sulcato ; 
apertura suborbiculari; labro margine acuto, expanso ac re- 
flexo. 
Hab. Catbalonga, island of Samaar. Mus. Cuming. 
The ribs in this species are few and wide apart, and the interstices 
are nearly smooth ; the whorls are very convex, and the shell is thin 
and semipellucid. 
20. CeriruipEs Fortunet, A. Adams. C. testa turrito-conica, 
apice acuta, solida, olivacea, linea spirali fusca ad medios an- 
Jractuum ; anfractibus convexis, ad suturas marginatis, varici- 
bus obsoletis nonnullis, costis permultis, elevatiusculis, equali- 
bus, arcuatis sculptis, transversim substriatis ; anfractu ultimo 
rotundato, basi spiraliter sulcato; apertura suborbiculari, an- 
tice effusa; labro expanso, valde sinuato vix reflexo. 
Hab. China (Mr. Fortune). Mus. Cuming. 
This is a solid and somewhat smooth species, with numerous ribs, 
which are obsolete on the last whorl. 
21. Certruipea cornea, A. Adams. C. testa turrito-conica, 
apice truncata, tenui, cornea, fusca; anfractibus planiusculis, 
varicibus nullis, costis longitudinalibus, arcuatis, equalibus 
sculptis ; anfractu ultimo ad peripheriam angulato, basi sub- 
plano, sulcato; apertura subquadrata, antice sinuata ; labro 
expanso, margine acuto, reflexo. 
Hab. Borneo, mouths of rivers. Mus. Cuming. 
This species is more fluviatile than many of the others, and the 
texture of the shell is thin and horny ; in general appearance it most 
resembles C. Charbonnieri of Petit, but the last whorl is not acutely 
carinated. 
22. CeriTHipEA RurzorpHorarum, A. Adams. C. testa tur- 
rito-conica, apice truncata, subsolida, cinerea; anfractibus 
superne pallide flavidis, planis, varice unico, subobsoleto. ad 
