THOMPSON, W, F. & BELL, F. Ho 



1934o Biological statistics of the Pacific Halibut 



fisheryo 2o Effect of changes in intensity 

 upon total yield per unit of gearo Repo Into 

 Fisho Commo, 8, 1-49.. 



THOMPSON, W. Fo 



1937, Theory of the effect of fishing on the stock of 

 , halibuto Id,, 12, 1-22 o 



THDRSBY-PELHAM, D« E» 



1939. The effect of fishing on the stock of plaice in the 

 North Seao Rapp. & Proc» Verb., 110, 39«.64« 



TODDp Ro A. 



1911» Covered net experiments o Intern o Investo, Mar© 

 Biol, Asso Rep, III, 1906->1908o 



VEEN, J. De. 



1937« Report of an investigation of complaints of Katwyk 



fishermen on the loss of marketable sole with 

 the 7 centimeter codends (in Dutch), 



1938, Report on the landings of trash fish, catches of 



trash and landings of marketable fish by Dutch 

 vessels during the period July 1937 to June 1938 

 (in Dutch). 



102. 



74392 



