AESTKACTS OF PAPERS 169 



GEOLOGY OF A PORTION OF THE MC KFrTRICK OIL FIELD 



BY G. C. GESTER 



PAPERS OF THE UNIVERSITY OF WASHINGTON MEETING 



8TRATIGRAPHIC AND FAUNAL RELATIONS OF THE LINCOLN FORMATION IN 



WASHINGTON 



BY CHARLES E. WEAVER 



CRETACEOUS FAUNAS OF THE SANTA ANA MOUNTAINS 

 BY EARL L. PACKARD 



(Aist7'act) 



The Santa Ana Mountains afford a Chieo-Cretaceoiis section of simple 

 structure, yielding a rich invertebrate fauna, which is divisible into four 

 faunal zones. The section may serve as a faunal type section to which other 

 Chico localities may be referred. 



REVIEW OF THE FAUNA OF THE RATTLESNAKE PLIOCENE OF EASTERN 



OREGON 



BY JOHN C. MERBIAM 



(Abstract) 



The Rattlesnake formation of the .John Day Valley contains a fauna which 

 has been presumed to be of late Miocene or early Pliocene age. The material 

 known from this formation is very fragmentary and commonly of uncertain 

 occurrence. The paper i)resents a review of the fauna, with a statement as 

 to the probable age and correlation of the formation. 



EOCENE OF THE COWLITZ VALLEY 

 BY CHARLES E. WEAVER 



FAUNA OF THE SIPHONALIA SUTTERENSIS ZONE IN THE ROSE BURG 



QUADRANGLE, OREGON 



BY ROY E. DICKERSON 



(Abstract) 



A collection made by Mr. Bruce Martin from the Umpqua formation, on the 

 Umpqua River, at the mouth of Little River, contains several forms, such as 

 Cbrt/finfloninis uiarthii, Cardimii mnrjfuvillrnsis, FUpboimUn siittrrrnsifi, Cnri- 

 crlla stoiwsiana. S)nyiil.n dovininna. and Vrnrrirnrdia phniicosfn. new v;iriety. 

 which are characteristic of the fiipbniialio sutirrensis 7,one of the Tejon group 



