MOLLUSCA. 
389 
Terebcllum subulatum —The Awl-Shaped Terebellitm. 
Plate LXXXIV. fig. 4. 
Shell cylindrical, thin, and glossy; spire subulate; columella 
smooth, truncate at the base. One inch long. Inhabits the 
Indian seas. 
Genus 5. — CYPRiE A.— Linnaeus. 
Generic Character. —Shell ovate or oblong-ovate, convex; 
margins involute ; aperture longitudinal, narrow, dentate on both 
sides, effuse at the extremities; spire very small, generally hid¬ 
den in the perfect shells. 
Cyprcea exanthema — The Measley Cyprlea. 
Plate LXXXIV. fig. 8. 
Oblong-ovate, brown, thickly studded with round eye-like 
white spots; dorsal line grayish ; marginal teeth dark brown. 
Four inches long. Inhabits the West Indies. 
Genus G.—OVULA.— Eruguiere. 
Generic Character. —Shell turgid, attenuated at both ends; 
margins convolute; aperture longitudinal, narrow, effuse at the 
extremities; the left margin without teeth. 
Ovula oviformis. — -The Egg-Shaped Ovula. 
Plate LXXXIV. fig. 5. ; 
Shell ovate, much inflated, ventricose in the centre, very 
glossy, extremely white ; extremities prominent; mouth orange 
within. Four inches long. Inhabits the Indian seas. 
TRIBE II.-COLUMELLARIA. 
Without a canal at the base of the aperture, but having a sub¬ 
dorsal more or less distinct notch, and with folds or plaits on 
the columella. 
Genus 7. —VOLYARIA.— Lamarck. 
Generic Character. —Shell cylindrical, convolute ; the spire 
hardly protruding; aperture narrow, nearly the whole length of 
the shell; columella with one or more folds near its base. 
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