Smithsonian Report, 1947. — Macdonald, Shepard, and Cox 



Plate 2 



1. Mouth of the Wailuku River at Hilo. Showing the Advance of One of 

 THE Later Waves Into the River Mouth 



Photograph taken near the trough between two waves, showing very low water, and the waves starting up 

 the river as the next crest approaches. The steel span from the distant railroad bridge is visible m the 

 middle distance. Photograph by Francis Lyman. 



2. A Minute or so Later, the Waves Are Sweeping Turbulently up the 



RIVER 



Photograph by Francis Lymaa. 



