Bull. U. S. B. F., 1927, Pt. II. (Doc. 1021.) 



Fig. 19. — The beach at the head of the Thumb, late in August, 192C. The dried skin and bones of dead salmon left 

 by the blowfly larvae may be seen above the water line. The white streak, 6 or 8 feet wide, along the 

 edge of the water is composed of the disintegrated bodies of dead salmon 



