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ART. XIV, — Desertions of New Species of American Tertiary and Cretaceous Fossils. 



By Wm. M. Gabb. 

 MIOCENE SPECIES. 



CANTHARUS, Bolton. 



C. Cumbeelandiana. PL 67, fig. 6. Fusiform; whorls five, prominent ; spire not 

 as long as the mouth ; outer lip thick, with about eight teeth on its inner margin, 

 inner lip smooth and thin, a large plate of enamel on the columella and a rudi- 

 mentary tooth on the upper end near the suture ; umbilicus distinct but imperforate ; 

 canal moderate and slightly curved ; surface marked by about ten rounded, promi- 

 nent, longitudinal ribs, crossed by 18 or 20 revolving lines between some of which 

 exist traces of finer lines, the latter visible only on well preserved specimens. There 

 are also visible the usual lines of growth. 



Dimensions. — Length 1 inch, width of body whorl li inch, length of mouth "6 



inch. 



Locality and position. — Miocene marl, near Shiloh, Cumberland Co., N. J. 

 Collection of the Academy and my collection. 



FASCIOLARIA, Lam. 



F. Woodii. PI. 67, fig. 7. Fusiform; whorls four or five, flattened so as to make 

 the sides of the spire nearly straight ; outer lip plain ; columella with one prominent 

 fold ; canal moderate, umbilicus nearly obsolete ; surface marked by numerous revolv- 

 ing ribs which exhibit a slight tendency to alternate in size. 



Dimensions. — Length 13 in., width of body whorl *8, length of aperature -8. 



Locality and position. — With the above. 



Collection of the Academy. 



NATICA, Adanson. 



N. hemicrtpta. PI. 67, fig. 5. Globose ; whorls four, rounded ; spire elevated, 

 suture faint ; mouth rounded ; callosity small, partly covers the umbilicus, which is 

 deep, surface smooth. 



Dimensions. — Length *3 in., width of body whorl ~ inch. 



Locality and position. — With the above. 



Collection of the Academy and my collection. 



