Table of Correlation of ti 



Age 



North Pacific Coast. 



Formation. 



Saanicb 



Vashon Drift 



Admiralty Till 



Elk River 



Merced 



Empire 



Monterey (Clallam) 



Astoria 



^Twin River 



Seattle 

 San Lorenzo 



Sooke 



Arago 



M 



Tejon 



IOlequa 

 Chehalis 



Chief Zone Fos 



iCardium cordis Mar! 

 Scutella oregonensis 

 Turris smithi Am. 



f Pecten dilleri Dall 

 \ Scutella oregonensis 



■Scutella gabbi Rem 

 Argobuccinu7n caniA 

 Mytilus middendorjf) 

 Cardium coosense D 

 Pecten coosensis Sht( 

 Bullia bogackielii R 

 Pecten propatulus 

 Area devincta Conr, 

 Polinices saxea Con 

 Venus clallaniensis , 

 Turritella oregonen\ 



iAcila gettysburgensi 

 Polinices olympidii 

 Turritella oregonen 

 IAcila gettysburgensi 

 Turcicula washingi 

 Macrocallista vespet 

 Acila shumardi Dal 

 Turcicula Columbia^ 

 Pecten branneri Ar 



{Pecten branneri Ar 

 Macrocallista newci 

 Patella geometrica 

 ( Venericardia hornx 

 \ { obsolete r 



f Venericardia korm 

 \ Pecten landesi Am 

 f Venericardia horn, 

 \ Meretrix californic 



