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LAMELLARIIDAE
175

Strombus ranimis Gmelin Hawk-wing Conch Plate 5c

Southeast Florida and the West Indies.

2 to 4 inches in length. Shell bluntly spinose with the last two spines on the last whorl by far the largest. Outer lip points upward at the top. Color of outer shell a brownish gray with chocolate-brown mottlings. Aper- ture cream-colored with a salmon-pink interior. Common in the West Indies. S. bitiiberculatus Lamarck is the same species.

Strombus gallus Linne Rooster-tail Conch Plate 56

Southeast Florida (rare) and the West Indies.

4 to 6 inches in length, characterized by the long extension of the poste- rior end of the outer lip and the rather high spire. This species is not at all common, although it may be obtained in fair numbers along the north coast of Jamaica.

Superfmiily CYPRAEACEA Family LAMELLARIIDAE Genus Lamellaria Montagu 1815

Lamellaria diegoensis Dall San Diego Lamellaria Figure 43d

Southern California.

% inch in length, equally wide, quite fragile and transparent-white in color. 3 whorls moderately globose, the last large. Aperture very large. Columella very thin. Surface smoothish, except for fine, irregular growth lines. Periostracum thin, clear and glossy. Uncommon offshore. Lamellaria rhombic a Dall (Washington to Lower California) is the same size, much flatter and thicker-shelled, and is opaque-white in color. Its colu- mella is thicker and ridge-like. This species is more common than the pre- ceding and is commonly washed ashore.

Subfamily VELUTININAE Genus Velutina Fleming 1821

Velutina laevigata Linne Smooth Velutina Plate 2 2n

Labrador to Cape Cod, Massachusetts. Alaska to Monterey, Cahfomia.

34 to % inch in length, very thin and fragile, translucent amber, and covered with a thick, brownish periostracum which is spirally ridged. Colu- mella arched and narrow. Common offshore from 3 to 50 fathoms. V. undata