U. S. B. F.— Doc. 



Plate XXVIII. 



FIG. 1.— INTERIOR OF OYSTER CANNERY; LABELING AND BOXING CANS OF 



OYSTERS. 



(Photo from Prof. E. N. Cory, Maryland State University.) 



FIG. 2.— SHELL PILE OF A LARGE OYSTER COMPANY, SHOWING CONVEYER FOR 

 CARRYING SHELLS FROM SHUCKING TABLE TO THE PILE. 



(Photo from J. S. Darling and Son.) 



