U. S. B. F.— Doc. 920. 



FIG. 15.— VIEW OF CLATSOP COUNTY BEACH OPPOSITE SEASIDE, OREG., 

 LOOKING SOUTH TOWARD TILLAMOOK HEAD. 



Although the razor clam, Siliqua pa'uki, has almost disappeared elsewhere on the Oregon 

 coast, it has maintained itself in abundance on this beach. See discussion under The Clatsop 

 County Region, beginning on page 15. 



FIG. 15. — ROCKY COAST AROUND TILLAMOOK HEAD, LOOKING SOUTH. 

 Sea mussels are typical shellfish of rugged headlands such as this. 



