MONTEREY LENGTH FREQUENCIES: 



1919-20 through 1925-26 : Frequencies were tabulated by and weighted 

 to quarters by combining calendar-month frequencies . 



1926-27 through 1937-38 : Frequencies were tabulated by and weighted 

 to calendar -month catch. (Combined with San Francisco for 

 period 1930-31 through 1937-38.) 



1938-39 through 1950-51 : Frequencies were tabulated by and weighted 

 to lunar-month catch. 



MONTEREY CATCH DATA? 



1919-20 through 192g-26 : Catch in tons by calendar month were taken 

 from California Fish and Game (1920-26). 



1926-27 through 1937-38 : Catch in tons by calendar month were taken 

 from Bureau of Commercial Fisheries (1929-37) and Bureau of 

 Marine Fisheries (19U0). 



1938-39 through 1950-51 : Same as San Francisco. 



SAN PEDRO LENGTH FREQUENCIES; 



1919-20 through 1925-26 : By quarters ; same as Monterey. 



1926-27 through 1937-38 : By calendar months; same as Monterey. 



1938-39 through 1950-51 : By lunar months; same as Monterey. 



SAN PEDRO CATCH DATA: 



1919-20 through 1925-26 : By quarters; same as Monterey. 



1926-27 through 1937-38 : By calendar months; same as Monterey. 



1938-39 through 1950-51: By lunar months; same as San Francisco. 



I wish to thank 0. E. Sette for his many suggestions and his help 

 in compiling these data and Ralph P. Silliman for much of the preliminary 

 work. Dr. Frances N. Clark and others on the staff of the California 

 State Fisheries Laboratory have been exceedingly cooperative in making 

 the original data available. I also am grateful to Dr. E. H. Ahlstrom 

 and John C. Marr for their assistance in the final preparation for publi- 

 cation. 



