Zoological Society. 371 



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



Long. ^ ; diam. ^ poll. 



Hub. ? 



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



Truncatella scalariformis. Trunc. testd elongato-cylindraced, 

 luteold, anfractibus rotundatis, costellis minutis ubique cingulatis ; 

 aperturd rotunda, labro simplici, acuta. 



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



Long. ^ ; diam. yL 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 oUvaceo-fuscd, conspicud, in medio cinctis ; 

 aperturd oblongo-ovatd, labro simplici, acuta. 



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



Long. |; diam. ^ poll. 



Hab. ■ ? Mus. Cuming. 



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

 broad, olive-browu belt. 



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

 anfractibus longitudinaliter striatis, inferrie albis, superne olivaceo- 

 viridibus ; aperturd rotundato-ovali. 



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



Long, y^ ; diam. ^ 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-turMnatd, subtrigond, 

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

 subdistantibus, lira minutd interveniente ; anfractibus superne an- 

 gulatis, tuberculis fexiiosis squamceformibus coronatis ; anfractu ul- 

 timo prope basin aliis subsimpUcioribus cingulato; columelld rubido- 

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



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



Long. 3^ ; 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-turbinatd, albd, 

 lineis caruleis, et inter dum 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. If ; diam. 1 poll. 



Hab. ? 



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



2C2 



