594 



ARNOLD AND HANNIBAL— MARINE TERTIARY [April 19. 



The Merced areas on the North Pacific Coast are, without 

 exception, small and isolated. Deposits limited to the basal con- 

 glomerates attain in Oregon a thickness of a few feet at two points 

 on the east shore of Coos Bay south of Empire, and again at the 

 point south of Five-mile Creek on the coast near Bandon. 



Partial List of Species in the Merced Formation (Miocene-Pliocene) of the 

 Coast of Oregon and Washington. 



Locality 34; basal conglomerate and sandstone, Fossil Rock, three and 

 one half miles south of Empire, Coos Bay, Oregon. (H. Hannibal.) 



^* Species still living. 



55 Species characteristic of this horizon. 



