846 CRETACEOUS PALEONTOLOGY. 



1905. Scalpellum conradi Johns., Proc. Acad. Nat. Sci. Phil. 

 (1905), p. 28. 



Description. — "The scutal plate is nearly straight on its occlu- 

 dent margin; the tergal margin is strongly sloping and a little 

 concave at the apical portion; the base is straight, or very 

 slightly convex. The surface is slightly angulated, and marked 

 by strong lines oi growth." 



"The carina is large, indicating a size of about an inch and a 

 half in length of the animal, without the stem. It has nearly 

 straight sides, is very gently curved; external surface nearly fiat 

 at the upper part and rounded subangular below in the median 

 line. Upper end acute, base rounded ; inner face deeply concave ; 

 sides bearing a prominent linear rib, which marks the three parts 

 of the surface into which Darwin divides this plate." (Gabb). 



Remarks. — The detached plates of this cirriped are sometimes 

 met with in the washings from the Vincentown limesand at 

 Vinceiitown, and from the same formation at other localities. 

 It is, however, one of the rare species of the fauna. 



Formation and locality. — Vincentown limesand, Vincentown 

 (154), near Hurffville (170). 



Geographic distribution. — New Jersey. 



Sub-class MALACOSTRACA. 

 Order DECAPODA. 



Suh-order MACRURA. 



Family ASTAOIDAB. 



Genus Hopi,oparia McCoy. 



Hoploparia gabbi Pilebry. 



Plate ex., Figs. 12-15. 



1901. Hoploparia gabbi Pilsbry, Proc. Acad. Nat. Sci. Phil. 



(1901), p. 115, pi. I, figs. 11-14. 

 1905. Hoploparia gabbi Johns., Proc. Acad. Nat. Sci. Phil. 



(1905), p. 28. 



