52 BULLETIN 138, UNITED STATES NATIONAL MUSEUM 



Near Porter, section 22, toAvnship IT north, range 5 west; middle 

 Oligocene series; three specimens. 



Marly tuffs along bluffs at old log dam along Porter Creek; lower 

 Oligocene series; associated with lowest fauna of Lincoln horizon, 

 as defined by Dr. C. E. Weaver ; one specimen ; also two fingers. 



Shaly sandstone bluff's one-fourth mile below old log dam on Por- 

 ter Creek, Porter ; middle Oligocene series ; one specimen. 



Shaly sandstone bluffs along Porter Creek, one-fourth to 1 mile 

 above old log dam. Porter ; middle (?) Oligocene series ; one speci- 

 men. 



Shaly sandstone bluffs along Porter Creek, three-fourths mile 

 above Porter; middle Oligocene series; four specimens. 



Bluff' half a mile east of Porter Station; middle Oligocene series; 

 Porter formation ; one specimen. 



Shaly sandstone road cuts one-fourth mile southeast of Porter 

 along the Chehalis River ; middle Oligocene series ; nine specimens. 



Sandy shale bluffs along the Chehalis Kiver northwest of the 

 mouth of Lincoln Creek; middle Oligocene series; three specimens. 



About 5 miles northwest of Oakville, Cliehalis County, in shales on 

 Gibson Creek; two specimens, Cat. No. 353402, U.S.N.M. 



Mill Creek, li/o miles east of junction with Willapa River and 3 

 miles northeast of Menlo, Pacific County ; one female specimen. 



Tuffaceous sandstone bluffs along the Willapa River north of Hol- 

 comb. Pacific County; middle Oligocene; 11 specimens. 



About 1 mile north and a little east of Holcomb in east bank of 

 Willapa River ; six specimens. 



One thousand six hundred feet above first railroad bridge on 

 Willapa River, below Holcomb; section 25, township 13 north, range 

 8 west; four specimens. 



In bluffs along the Nasel River, section 1, 414 miles east of Nasel; 

 upper Oligocene series, Blakeley horizon {Acila gettysburgensis 

 zone of C. E. Weaver) ; one specimen. 



Sandstones in shales in bluffs along the Columbia River at Knapp- 

 ton Mill; upper Oligocene series, Blakeley horizon {Acila gettys- 

 hurgensis zone of C. E. Weaver) ; associated with Limnopsis, species, 

 and Phacokles columbianum Clark and Arnold; one specimen. 



Cementville, across the Columbia River from Astoria. Oregon; 

 three specimens. 



OREGON 



Astoria ( ? ) , Clatsop County ; one specimen. 



Newport, Yaquina Bay, Lincoln County; three specimens (one is 

 holotype). Cat. No. 353396, U.S.N.M. 



Yaquina, Lincoln County; eight specimens, two impressions. 

 Yaquina, probably; 21 specimens. 



