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or Pear Conchs Giant Whelks

GIANT WHELKS, OR PEAR CONCHS, AND EGG RIBBON 1 Left-banded Whelk, Fulgur perversa. 3 Operculum of Fulgur perversa.

2 Egg Ribbon of F . canal iculatu s . Several embryos develop in each capsule. 4 Channeled Whelk, Fulgur canaliculatus.

or Pear Conchs Giant Whelks

e:: The Whelks. Trumpet Shells

C. cancellaria, Conr., is ash-coloured, has strong spiral ribs, crossed by longitudinal folds, forming fine tubercles. Lip strongly lined within; spire prolonged; canal recurved. Length, l to inches.

Habitat.— Gulf of Mexico.