PyRAMIDELLA.— Plate II. 



Species 14. (Mus. Cuming.) 



PvRAMiDELLA TEREBELLDM. Pyr. testi elegmter pyru- 

 midatd, perforata, Icevmimd, tenui, siibcceruled seu 

 alba, anfractibus platiulatis, lineis nigrescentibus cinctd, 

 aperturd pyriformi, columelld recurvd, repandd, labro 

 ieniii, subsiniiato, simplice. 



The little augeii Pyramidella. Shell elegantly 

 pyramidal, perforated, very smooth, thin, bluish or 

 white, whorls rather flat, girt with nearly black lines, 

 aperture pyriforra, columella recurved, expanded, 

 outer lip thin, rather sinuous, simple. 



Obeliscus terebelluji, Miiller. 

 Trochus dolabratiis, var., Gmel. 



Hab. "West Indian Islands (Mus. Cuming). 



Thinner and less ventricose than P. dolabrata, with 

 the whorls considerably more flattened. 



Species 15. (Mus. Cuming.) 



I'VRAMIDELLA VENTRicosA. Pyv. testd ovato-acuminatd, 

 lavi, alba, fusco-nigrescente maculatd, griseo fiammu- 

 laid, anfractibus sulplanulatis, ad suturam angulutis, 

 umbUico parvo, varice circumscripto, labro lavigato 

 intus inerassato, columelld subarciiatd, triplicald, plied 

 mid snperiore maximd. 



The ventricose Pyramidella. Shell ovately acumi- 

 nated, smooth, white, spotted with blackish-brown 

 with small flames of grey, whorls rather flattened, 

 with an angle at the suture, umbilicus small, circum- 



scribed by a varix, outer lip smooth, thickened within, 

 columella rather arched, with three plaits, the njiper 

 plait very large. 



Guerin, Mag. (le Zoologie. 



Hab. Island of Ticao, Philippines ; Cuming. 



Of the same form as P. cinctus, but thicker and more 

 ventricose, with very different markings. 



Species 10. (Mus. Cuming.) 



Pyramidella scitula. Pyr. testa subovali, perforata, 

 albd, spird acutd, anfractibus convexiusculis, ad sutu- 

 ram angulalis, longitudinaliler et transversim striatis, 

 fasciis fiiscis spiralibvs et flammuUs longitvdinalibus 

 ornatis, aperturd subovali, umbilico varice circum- 

 scripto, labro simpUci. 



The neat Pyramidella. Shell rather oval, perforate, 

 white, spire acute, whorls convex, angulated at the 

 suture, striated in both directions, ornamented witli 

 brown spiral Ijands and flame-like longitudinal mark- 

 ings, aperture rather oval, umbilicns circumscribed 

 by a varix, outer lip simple. 



A. Adams, in Sowerby's Thes. Conch. Obeliscus sp. 21. 



Hab. Island of Masbate (in sandy mud, at a depth of ten 

 fathoms) ; Cuming. 



There is no very tangible character to distinguish this 

 from P. ventricosus, but it is a less ventricose shell and 

 differently coloiu'ed. 



