Page:Transactions of the Linnean Society of London, Volume 12.djvu/385

Rh Habitat

Apertura labiis cancellatis, cancellis transversim striatis.

I found this beautiful little shell among a collection of chiefly West India shells. According to the Linnaean system, it would come under the genus Turbo; but with the advice of Dr. Leach, I have distinguished it as a genus, under the title of ''Cyclostrema. Helix depressa and serpuloides'' of Montagu are referable to the same genus.

Rh