MOLLUSCA. 715 



Formation and ' locality. — ^Merchantville clay-marl, near 

 Jamesburg (139, 140, 141). 



Anchura abrupta Conrad. 



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



i860. Anchura abrupta Con., Jour. Acad. Nat. Sci. Phil., 2d 



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

 1 861. Anchura abrupta Gabb, Synop. Moll. Cret. Form., p. 



94 (38)- 

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



Cret. and Jur., p. 19. 

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



14s, 149.. pl- 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 ("ot 



figs. 15-16). 

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



S. G. S., vol. 18), p. Ill, 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 abrwpta van acittispira 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 nobilis Whitf., pal. N. J., vol. 2 (Monog. U. 



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

 1905. Anchura abrtipta 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 



