CYCLOSTOMA.—Ptate II. 
conico-turbinatd, solidd, sordidé purpureo-fuscd, spira umbilicus ; aperture obliquely circular, rather small, 
brevi, anfractibus declivi-tumidis, multicarinatis, ca- lip thickly moderately reflected, deep blood-red. 
vinis duabus distantibus prominentioribus, anfractu | GratELouP, Act. Soc. Linn. Bordeaux, vol. ii. p. 440, 
ultimo infra peripheriam subangulato, circa wmbili- pl. 3. f. 11. 
cum excavato ; apertura oblique circulari, parviusculd, | Tropidophora Michaudi, Pfeiffer. 
labro crassé subreflexo, vivide sanguineo. Otopoma Michaudi, Gray. 
Micuaup’s Cycnostoma. Shell with the umbilicus | “ad. Madagascar. 
covered, conically turbinated, solid, dull purple- 
brown, spire short, whorls slopingly tumid, many- 
keeled, two of the keels distant from each other, 
more prominent than the rest, last whorl slightly 
angled below the periphery, excavated around the 
A solid conically tumid species, densely keeled through- 
out, the keel of the periphery being conspicuously more 
prominent than the rest, and giving an angular base to 
the shell. 
