MOLLUSCA. 715 



Formation and locality. Merchantville clay-marl, near 

 Jamesburg (139, 140, 141). 



Anchura abrupta Conrad. 

 Plate LXXXIL, Figs. 1-6; Plate LXXXIIL, Figs. 3-4. 



1860. Anchura abrupta Con., Jour. Acad. Nat. Sci. Phil., 2d 



ser., vol. 4, p. 284, pi. 47, fig. i. 



1861. Anchura abrupta Gabb, Synop. Moll. Cret. Form., p. 



94 (38). 

 1864. Anchura abrupta Meek, Check List Inv. Foss. N. A., 



Cret. and Jtir., p. 19. 

 1868. Anchura abrupta Gabb, Am. Jour. Conch., vol. 4, pp. 



145, 149., pi. 14, fig. 13. 

 1883. Anchura< abrupta Tryon, Struct, and Syst. Conch., vol. 



2, p. 194, pi. 60, fig. 83. 

 1892. Turbinopsis major Whitf., Pal. N. J., vol. 2 (Monog. 



U. S. G. S., vol. 18), p. 103, pi. 12, figs. 21-23 ( not 



figs. 15-16). 

 1892. Rostellaria Hebe Whitf., Pal. N. J., vol. 2 (Monog. U. 



S. G. S., vol. 1 8), p. in, pi. 14, figs. 11-14. 

 1892. Anchura abrupta ? Whitf., Pal. N. J., vol. 2 (Monog. 



U. S, G. S., vol. 18), p. 113, pi. 14, figs. 1-3. 

 1892. Anchura abrupta var. acutispira Whitf., Pal. N. J., vol. 



2 (Monog. U. S. G. S., vol. 18), p. 114, pi. 14, fig. 4. 

 1892. Anchura paigodaformis Whitf., Pal. N. J., vol. 2 



(Monog. U. S. G. S., vol. 18), p. 116, pi. 14, figs. 



15-16. 

 1892. Rostellaria nobtiis Whitf., pal. N. J., vol. 2 (Monog. U. 



S. G. S., vol. 18), p. 186, pi. 23, figs. 16-17. 

 1905. Anchura abrupta var. acutispira Johns., Proc. Acad. Nat. 



Sci. Phil. (1905), p. 22. 



Description. Shell with a rather high spire having an apical 

 angle of about 30, and a comparatively short body volution, 

 with a slender rostrate, anterior canal; the dimensions of a 

 moderately large internal cast retaining a little more than three 



