Zoological Illustrations, Second Series, Volume 1 / or, Original Figures and Descriptions of New, Rare, or Interesting Animals

by William Swainson

Div. 2. Sinus simple; formed by the prolongation of the canal.

Aporrhais. Dacosta. Outer lip dilated and digitated.

Strombus pes-pelecani. Auct.

Rostellaria. Lam. Outer lip dentated, but not dilated. Basal canal long.

Hippochrenes. Montf. Outer lip generally dilated, and always entire. Basal canal moderate or short. Spiral canal nearly equal to the spire.

Rost: macroptera, columbata, fissurella, Lam.

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Specific Character.

Basal canal short: spiral canal thickened, and perpendicularly ascending on the spire.

Strombus fusus. Linn. Gm. 3506. Lister, 854, 12. Seba, 3, 56, 1.