684 



ARNOLD AND HANNIBAL— MARINE TERTIARY [April 19, 



Locality 47; ashy shales with limestone nodules, beach between foot of 

 Hull Street and Smith Point, Astoria, Oregon. (H. Hannibal.) 



Locality 273; ashy shale, bluff back of town between ist and 13th Streets, 

 Astoria, Oregon. (H. Hannibal.) 



Locality 48; sandy shale, beach from Alki Point south one fourth of a 

 mile along shore of Puget Sound, Seattle, Washington. (H. Hannibal.) 



Locality 49; massive shale, railroad cuts between Argo and Georgetown 

 Stations, Seattle, Washington. (H. Hannibal.) 



Locality 103; shaly sandstone, beach between south side of entrance to 

 Blakely Harbor and Restoration Point, Bainbridge Island, Washington. 

 (H. Hannibal.) 



Locality 206; sandstone, bluffs overlooking Andrews Bay, Lake Washing- 

 ton, three fourths of a mile east of Columbia City Station, Seattle, Wash- 

 ington. (H. Hannibal.) 



Locality 261; sandstone, bluffs along Coal Creek three fourths of a mile 

 above Lake Washington, Newcastle, Washington. (H. Hannibal.) 



Tzvin River Formation. 

 Conformable above the Seattle beds in the section of the Astoria 

 series between Port Crescent and Pysht River on the north coast 



Partial List of Species in the Tzmi River Horicoii of the Astoria Series 

 (Middle Oligocene) of the North Coast of Washington. 



23 Species characteristic of this horizon. 

 2* Species still living. 



