Proceedings Am. Philos. Soc. Vol. LII. No. 212 



Plate XLVI 



Fig. a. 



Fig. b. 



Fic. A. West face of Coos Head, Coos Bay, Orej^on. Empire sandstone 

 overlain by Pleistocene sands. 



Fig. b. Pliocene basalts associated with river sands and gravel on Port- 

 land-Taconia Railway below Little Falls, Washington. 



