6 2 6 



THE POPULAR SCIENCE MONTHLY. 



WESTERH PASSAGES. 



44. 

 45. 

 46. 

 47. 



71. 

 72. 

 73. 

 74. 

 75. 



VOYAGE. 



4 passages 

 Average . . 



4 passages 

 Average . . 



4 passages 

 Average . . 



5 passages 

 Average . . 



Month. 



March , 



April 



May and June. 

 July 



March and April 



May 



June , 



Jiy 



August , 



CAPE RACE PASSAGES. 



The comparisons for the cliff erent years, omitting the Cape Race 

 passages, are as follows : 



* West of 70 longitude. 



\ Between 23 and 33 west. 



