Bui. 538, U. S. Dept. of Agriculture. 



Plate II. 



BC-FRL-S-3 



Fig. 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 



Fig. 2.— Shrimp Heads. A Valuable Fertilizer Now Going to Waste. 



