OYS'I'KRS: A LEADING FISHERY PRODUCI' 
215 
Photograph from Dr. Hugh M. Smith 
OYSTERS ENCUMBERED WITH A MASS OF EGGS OF THE WHELK 
When the eggs hatch, the young whelks will devour young oysters hy boring through the shell. 
INSPECTING A JAPANESE OYSTER CROP 
The great rise and fall of the tides in Japan is of considerable advantage to the oyster farmer, enabling him 
to keep his crop under direct observation during the entire period of growth. 
