THE WINDS OF THE SOUTHERN HEMISPHERE. 



433 



Average Speed of Vessels sailing through the Trade-winds of ihe Norih 

 Atlantic and South Indian Oceans. 



Average course steered throug-h the N.E. trades (N. Atlantic Ocean\ N.W. I W. 



S.E. trades (South Indian „ ), W.S.W. 



Average course steered through the S.E. trades (S. Atlantic), N.W. by W. 



N.E. trades (N. Atlantic-), S.S.E. 

 2 F 



