Zoological Society. 371 



Reeve, Conch. Syst., vol. ii. pi. 175. f. 11 & 12. 

 Long. ^ ; diam. f poll. 



Hab. ? 



Remarkable on account of the ventricose inflation of the last whorl. 

 Truncatella scalariformis. Trunc. testd elongate -cylindracedy 

 luteold, anfractibus rotundatis, costellis minutis ubique cingulatis ; 

 aperturd rotunda, labro simplici, acuto. 

 Reeve, Conch. Syst., vol. ii. pi. 182. f. 6. 

 Long. ^ ; diam. -^-^ poll. 

 Hab. ad insulam Annaa, in Oceano Pacifico. 

 A number of these little shells were found by Mr. Cuming at the 

 roots of palms on the sea- shore. 



Pyramidella cincta. Pyram. testd conico-acuminatd, albd, an- 

 fractibus Icevibus, zond olivaceo -fused, conspicud, in medio cinctis ; 

 aperturd oblongo-ovatd, labro simplici, acuto. 

 Reeve, Conch. Syst., vol. ii. pi. 207. f. 2 & 4. 

 Long. I ; diam. -^-^ poll. 



Hab. } Mus. Cuming. 



A white, sharply acuminated shell, surrounded with a single, clear, 

 broad, olive-brown belt. 



Pyramidella glans. Pyram. testd cylindraceo-conicd, bicoloratd; 

 anfractibus longitudinaliter striatis, inferne albis, superne olivaceo- 

 viridibus ; aperturd rotundato-ovali. 

 Reeve, Conch. Syst., vol. ii. pi. 207. f. 1. 

 Long, y^^ ; diam. 4^ poll. 



Hab. ? 



This is a small dumpy-looking shell, of which the whorls are just 

 one half white and the other half dark olive-green. 



TuRBiNELLUs iMPERiALis. Turb. tcstd ovato-turbintttd, subtrigond, 

 epidermide crassd,fibrosd, indutd; transversim liratd, liris angustis, 

 subdistantibus, lira minutd interveniente ; anfractibus superne an- 

 gulatis, tuberculis jlexuosis squameeformibus coronatis; anfractu ul- 

 timo prope basin aliis subsimplicioribus cingulato; columelld rubido- 

 fuscd, politd, irregulariter plicatd ; labro undulato, leviter expanso. 

 Reeve, Conch. Syst., vol. ii. pi. 229. f. 4. 

 Long. Z\ ; diam. 2^ poll. 



Hab. ? Mus. Cuming. 



The noble diadem of flexuous scale-like tubercles with which this 

 shell is crowned, renders it eminently distinct from its congener 

 the T. cornigerus, in which they are of a solid stunted growth. The 

 enamelling of the columella is also remarkable, being always of a 

 very peculiar chocolate-brown colour. 



TuRBiNELLUs vExiLLULUM. Turb. tcstd trigono-turUnatd, albd, 

 lineis ccsruleis, et interdum roseis, vivide cingulatd," anfractibus 

 subtrigonis, in medio valde tuberculatis ; columelld triplicatd, pli- 

 cis parvis , canali brevissimo nigerrimo-tincto. 

 Reeve, Conch. Syst., vol. ii. pi. 229. f. 1. 

 Long. IJ; diam. 1 poll. 



Hab. ? 



This beautiful shell, which approximates to the T. aplustre, is 



2 C2 



