VI CONTENTS 



Page 

 Past and present status of the marine mammals of South America and the 



West Indies, by Remington Kellogg 299 



The return of the musk ox, by Stanley P. Young 317 



Insect enemies of our cereal crops, by C. M. Packard 323 



The geographical aspects of malaria, by Sir Malcolm Watson 339 



The bromeliads of Brazil, by Mulf ord B. Foster. _ 351 



Canada's Indian problems, by Diamond Jenness 367 



Dakar and the other Cape Verde settlements, by Derwent Whittlesey 381 



