THE OYSTER INDUSTRY OF THE WORLD 



553 



(Courtesy U. S. Fish and Wildlife Service) 



Fig. 26-1. Upper row, right, American Eastern oyster, Ostrea vir- 

 ginica, from a well cultivated oyster ground; left, Pacific oyster, Ostrea 

 gigas, grown from seed imported from Japan and planted on hard bot- 

 tom in Willapa Bay, Washington. Lower row, right, American eastern 

 oyster, Ostrea virginica, from crowded muddy bottom of a natural reef; 

 left. Pacific oyster, Ostrea gigas, from soft and muddy bottom of Puget 

 Sound. 



