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Antarior

Shell convolute
Murer

last
Pahudina

whorl ending in a canal behind
a. Tho aper. b. The articulating lobe.
1 The outer 2 The inner side.

Lobed outer rip

Ovula
AB. a. Jummit or nudeus b. Margin a mouth or Poistome. c. The inner or columella lip. di Outer lip e. Front edge. f. Hinder edge of mouth
9. The holleno acis or umbiluus. h Spire. i. First whorl k Body whorl. 1. Suture. m. Muscular impresswn n Longitudinal shit. o. Cohrnella.
p Dissepiment between the whorls.

The Parts of the various shells having the same number or letter are similar

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VB A Summit or nudeus b. Margin of mouth or Paistome. c. The inner or columella tip. d. Outer lip. e. Front edge. f. Hinder edge or mouth ..
9. The hollow us or umbilicus. h. Spure. i First whorl. k. Body whorl 7. Suture, m. Muscular impression. n. Longitudinal shit. o. Columella.
p Dissepimont between the whorls.

8! The Parts of the various shells having the same numba or letter are similar

[graphic]
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