UNITED STATES DEPARTMENT OF THE INTERIOR 

 Harold L. Ickes, Secretary 



FISH AND WILDLIFE SERVICE 

 Ira N. Gabrielson, Director 



Fishery Bulletin 38 



BIOLOGY OF THE ATLANTIC MACKEREL (Scomber scombms) 



OF NORTH AMERICA 



Part I: Early life history, including the growth, drift, and 

 mortality of the egg and larval populations 



By OSCAR ELTON SETTE 



From FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



Volume 50 



,, **A 



UNITED STATES 



GOVERNMENT PRINTING OFFICE 



WASHINGTON : 1943 



Kor sale by the Superintendent of Documents. U. S. Gove/nment Printing Office Wa*hington 25. D. C. - - - - - Price 25 ccnti 



