MOLLUSCA. 489 



Genus LIROSCAPHA Conrad. 

 Liroscapha squamosa Conrad. 



Plate LIT, Figs. 6-7. 



1869. Liroscapha squamosa Con., Am. Jour. Conch., vol. 5, p. 



100, pi. 9, fig. 23. 

 1905. Liroscapha squamosa Johns., Proc. Acad. Nat. Sci. Phil. 



(1905), p. 12. 



Description. Shell subelliptical in outline, pointed at the beak, 

 rounded at the opposite extremity, the sides nearly straight and 

 parallel. The upper valve rather strongly convex, marked by 

 unequal, radiating, squamose or spinulose costse. 



The dimensions of the type specimen are: length, 15 mm.; 

 width, 7.5 mm. 



Remarks. In describing this species as the type of the new 

 genus Liroscapha, Conrad expressed some doubt as to its true 

 relations, expressing the possibility of its being a univalve. The 

 recent collections of the Survey have brought no additional speci- 

 mens to light and nothing can be added at this time to our knowl- 

 edge of the form. 



Formation and locality. Woodbury clay, Haddonfield (183). 



Geographic distribution. New Jersey. 



Family LIMIDAE. 



Genus LIMA Brugiere. 



Lima pelagica (Morton). 



Plate LIV., Fig. 7. 



1833. Plagiostoma pelagica Mort., Am. Jour. Sci., ist ser., vol. 



23, P- 293, Pi- 5, % 2- 



1834. Plagiostoma pelagicum Mort., Synop. Org. Rem. Cret. 

 . Gr. U. S., p. 61, pi. 5, fig. 2. 



1861. Ctenoides pelagica Gabb, Synop. Moll. Cret. Form., p. 



171 (114). 

 1860. Ctenoides pelagica Con., Jour. Acad. Nat. Sci. Phil., 2d 



ser., vol. 4, p. 276. 



