Bul. 538, U. S. Dept. of Agriculture. PLATE Il. 
7 
i 
; 
& 
& 
ie 
BC-—FRL-S-3 
Fia. 1.—BoILING SHRIMP OVER OPEN FIRES BY ‘‘RULE-OF-THUMB”? METHODS IS 
LARGELY RESPONSIBLE FOR THE LOW QUALITY SHRIMP SOMETIMES FOUND IN 
NORTHERN MARKETS. 
BC-FRL-S—4 
Fic. 2.—SHRIMP HEADS. A VALUABLE FERTILIZER NOW GOING TO WASTE. 
