FISHERY INDUSTRIES OF THE UNITED STATES, 1931 439 

 Measures and yields of oysters 



Other mollusks. — Whereas in previous reports certain other molkisks 

 have been converted from bushels to pounds of meats on the basis of 

 an average yield for the whole country, a more detailed study es- 

 tablished the factors for the various States for 1930 which are shown 

 in the following table. 



Average yields of certain mollusks in pounds of meats per bushel 



Other conversion factors. — The principal other conversion factors 

 that have been used in this report are as follows: 



Alewives To convert number of fish to weight in pounds, 



multiply by 0.4. 

 Cod, large, salted To convert to fresh-gutted weight, multiplv 



by 1.90. 

 Cod, market, salted To convert to fresh-gutted weight, multiply 



by 1.94. 

 Cod, scrod, salted To convert to fresh-gutted weight, multiply 



by 1.98. 

 Cod, all sizes, fresh-gutted To convert to round weight, multiply by 1.25. 



