Bull. U. S. B. F., 1909. 
Plate XXV. 
1. — A heap of mussel shells, the result of a few days’ work. (Photograph by courtesy of Mr. George 
A. Carman.) 
2. — A heap of shells from mussels which have been pickled for the New York market. The shells are 
used as cultch for seed oysters. (Photograph by courtesy of Mr. George A. Carman.) 
