



U. S. TREASURY DEPARTMENT 



COAST GUARD 



BULLETIN No. 42 



INTERNATIONAL ICE OBSERVATION 

 AND ICE PATROL SERVICE IN THE 

 NORTH ATLANTIC OCEAN - [ SE fZ of ] 



Marine Biological Laboratory 



APR 2 5 1958 

 WOODS HOLE, MASS. 





MARINE 

 BIOLOGICAL 



LABORATORY 



LIBRARY 



WOODS HOLE, Mfc S. 

 W. H. C I. 



