314 W. H. Ball — Fossils of the Olympic Peninsula. 



Polinices (Lunatia) galianoi Dall. 



Polynices (Lunatia) lewisii (Gould) Reagan, p. 225, pi. 6, fig. 64, 

 1909. 

 This is the common larger species of this horizon. It does not 

 reach the size of L. lewisii, and has a different contour. 



Purpura foliata Martyn. 



Aporrhais (Arrhoges) quillayutensis Reagan, p. 226, pi. 6, fig. 

 65,1909. 

 This is a cast with some remains of the shell adhering and is 

 closely related to if not identical with Purpura foliata Martyn, 

 better known as Cerostoma foliatum. 



