14 BULLETIN 138, UNITED STATES NATIONAL MUSEUM 



Porter ; middle Oligocene ; University of Washington ; Zanthopsis 

 vulgaris. 



Porter ; middle Oligocene ; H. Landes, collector ; Arnold Collection, 

 Stanford University; Zanthopsis vulgaris; Port unites trianguluin. 



Porter, in bluffs immediately north and south of Porter; middle 

 Oligocene; California Academy of Sciences (193); Zanthopsis vul- 

 garis. 



Porter Creek, near Porter; middle Oligocene; University of 

 Washington; no number; Zarithopsis vulgaris. 



^larly tuffs along bluff's at old log dam along Porter Creek; lower 

 Oligocene; associated with lowest fauna of Lincoln horizon, as de- 

 fined by Dr. C. E. Weaver; Stanford University (N. Pac. 51) ; Zan- 

 thopsis vulgaris. 



Shal}^ sandstone bluffs one-fourth mile below old log dam on Por- 

 ter Creek, Porter; middle Oligocene; Harold Hannibal, collector |, j 

 Stanford University (N. Pac. 52) ; Zanthopsis vulgaris. 



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

 above old log dam. Porter; middle (?) Oligocene; Harold Hannibal, 

 collector; Stanford University (N. Pac. 56) ; Zanthopsis vulgaris. 



Shaly sandstone bluffs along Porter Creek, three-fourths of a mile 

 above Porter; middle Oligocene; Harold Hannibal, collector; Stan- 

 ford University (N, Pac. 54) ; Zanthopsis vulgaris. i 



Bluff one-half mile east of Porter Station, Chehalis County;- 1 

 Porter formation, middle Oligocene; Thomas Etherington, collector; 

 University of Washington; Zanthopsis vulgaris; Portunites tri- 

 angulum. 



Shaly sandstone road cuts one-fourth mile southeast of Porter, 

 along the Chehalis River; middle Oligocene; Harold Hannibal, col- 

 lector; Stanford University (N. Pac. 50) ; Zanthopsis vulgar^. 



About five miles northwest of Oakville, Chehalis County, in shales 

 on Gibson Creek; Oligocene; Katherine V. W. Palmer; Zanthopsis 

 vulgaris. 



Sandy bluff's along Chehalis River for 1 mile east of Helsing 

 Junction, Independence: upper Oligocene; N. Pac. 208; University 

 of California; Calliojuissa oregonensis. 



One and one half to two miles northwest of Galvin ; middle Oligo- 

 cene; Loc. T. 10, N. Pac. 300; Portunites triangulum. 



Sandy shale bluff's along the Chehalis River northwest of the 

 mouth of Lincoln Creek, Lincoln Creek (the creek runs into the 

 river at Galvin); middle Oligocene; Harold Hannibal, collector; 

 Stanford University (N. Pac. 211) ; Zanthopsis vulgaris; Portunites 

 triangulum. 



Near junction of Lincoln Creek and Chehalis River some 5 (?) 

 miles northwest of Centralia, Lewis County; Lincoln beds, Oligo- 

 cene; 1920; R. H. Palmer, collector; Portunites ti^ianguluin. 



