770 CRETACEOUS PALEONTOLOGY. 



Formation and locality. — Wenonah sand, near Crawfords 

 Corner (126^), near MarlborO' (130^); Navesink marl, near 

 Crawfords Corner (126''), Mullica Hill (169), Atlantic High- 

 lands(io8), Crosswicks Creek (147*). 



Geographic distribuition. — New Jersey, Alabama. 



Turbinella parva Gabb. 



Plate XC, Figs. 23-24. 



i860. Turbinella parva Gabb, Proc. Acad. Nat. Sci. PhiL 



(i860), p. 94, pi. 2, fig. 3. 

 1861. Twhinella parua Gabb, Synop. Moll. Cret. Form., p. 142: 



(86). 

 1864. Turbinella parva Meek, Check List Inv. Foss. N. A.,, 



Cret. and Jur., p. 21. 

 1868. Turbinella parva Con., Cook's Geol. N. J., p. 730. 

 1892. Turbinella'. ? parva Whitf., Pal. N. J., vol. 2 (Monog.. 



U. S. G. S., vol. 18), p. 80, pi. 9, figs. 4-6. 

 1905. Tuirbinella parva Johns., Proc. Acad. Nat. Sci. PhiL 



(1905), p. 25. 



Description. — Shell small, subturbinate in form, the greatest 

 diameter being near the top of the volution, rapidly narrow- 

 ing belO'W, spire depressed, but not quite flat; the dimensions- 

 of an incomplete internal cast are: height, 11.5 mm., but if the 

 spire were complete anteriorly it would probably be 13 mm. or 

 14 mm. ; maximum diameter, 14 mm. Volutions about three 

 in number, flattened above, rounded on the periphery; aperture 

 large, oblique, higher than wide; columellar cavity in the cast& 

 broad, marked by three distinct plications or folds, the two upper 

 ones a little above the lower third of the aperture, equal in 

 strength and near together, the lowest one larger and more dis- 

 tant, but not SO' sharply defined as those above; volutions marked 

 by sinuous vertical folds of considerable strength, indicated on 

 the top of the volution, but more strongly marked on the per- 

 iphery and below, being strongly bent backward in crossing the 

 largest part of the whorl. 



