258 



ZOOLOGY. 



Most of the Cone-Shells are covered with an epidermis, 

 under which, the surface bears a most beautiful polish; all 

 the species are marine, and are generally found on rocky 

 coasts. 



21. Cyprcea. Cowry, or Gowry. Inhabitant a i/ma*-. 



Shell involute, nearly oval, smooth, obtuse ; aperture effuse , 

 at both ends, and longitudinally toothed on both sides. 

 Plate 5, fig. 21. This family is separated into four 

 divisions, * mucronate or pointed; "^^ obtuse^ and 

 without any perceptible spire ; umbilicate^ of 



with a small perforation ; **** margined, 



A most beautiful family, mostly marine, inhabiting the sand 

 at the bottom of the sea, from whence they are often thrown 

 after violent storms ; most of the kinds possess an exquisitely 

 iine natural polish. 



22. Bulla* Dipper.. Inhabitant a 5/2^^. 



Shell convolute, sub-oval, unarmed ; aperture oblong, smoothj 

 longitudinal, entire at the base; columella smooth, 

 obliqi^e. Plate 5, fig. 22. 



The Dippers are found inhabiting the sea, rivers, lakes, and 

 ditches ; the texture of most of the sorts is exceedingly 

 thin; the marine kinds are sometimes found in shallows^ 

 during the recess of the tide. 



23. Valuta, VoLVTE. Inhabitant a Slug. 



