806 CRETACEOUS PALEONTOLOGY. 



1861. Actceon avoided Gabb, Proc. Acad. Nat. Sci. PhiL 



(i86i),p. 319. 

 1864. Actceon ovidea Meek, Check List Inv. Foss. N. A., Cret. 



and Jour., p. 17. 

 1864^ Action cretacea Meek, Check List Inv. Foss. N. A., Cret, 



and Jur., p. 17. 



1868. Action cretacea Con., Cook's Geol. N. J., p. 728. ' 

 1868. Actceon ovoidea Con., Cook's Geol. N. J., p. 728. 

 1892. Actceon cretacea Whitf., Pal. N. J., vol. 2 (Monog. U. S. 



G. S., vol. 18), p. 158, pi. 19, figs. 9-12. 

 1892. Actceon ovoidea Whitf., Pal. N. J., vol. 2 (Monog. U. S, 



G. S., vol. 1 8), p. 162, pi. 20, figs. 5-6. 

 1892. Actceon Forbetiana Whitf., Pal. N. J., vol. 2 (Monog, 



U. S. G. S., vol. 18), p. 157, pi. 19, figs. 17-22. 

 1892. Actceon subovoides Whitf., Pal. N. J., vol. 2 (Monog. 



U. S. G. S., vol. 18), p. 155, pi. 19, figs. 14-16. 

 1905. Actceon cretacea Johns., Proc. Acad. Nat. Sci. Phil. 



(1905), p. 18. 

 1905. Actceon forbesiana Johns., Proc. Acad. Nat. Sci. 'Phil. 



1905. Actceon ovoidea Johns., Proc. Acad. Nat. Sci. Phil. 

 (1905), p. 19. 



Description. Shell variable in size, subovoid in general form, 

 with a moderately elevated spire; the dimensions of two indi- 

 viduals are : height, 39 mm. and 20 mm. ; maximum diameter, 25 

 mm. and 11.5 mm.; height of spire, 10 mm. and 7 mm.; height 

 of aperture, 29 mm. and 13 mm. Volutions four or five, with 

 distinctly marked sutures in the cast; body volution large, form- 

 ing the greater bulk of the shell, moderately convex in the middle 

 and slightly pointed below; aperture large, about two-thirds of 

 the total height of the shell, pointed at the upper end, and mod- 

 erately increasing in width anteriorly, its greatest width consid- 

 erably below the middle, obtusely pointed below. The columellar 

 cavity in the casts rather wide and furnished with a single mod- 

 erately strong tooth at about the broadest part of the aperture, 

 which is often but weakly developed; surface of the shell 



