VOL. XIV.] 'TEURITORV IN BIKD IJFE.' 275 



other species that abound in winter and spring are mixed 

 flocks, inchiding immigrants from farther north or even 

 overseas, as well as the local residents, or some of them. 



I confess I also feel that Mr. Howard's book might have 

 been much shorter — with less repetition of arguments and 

 more reference to observation. 



There is no doubt, however, that he has, as the result of 

 much close observation, contributed an important chapter 

 towards the fuller understanding of bird-life. And it is 

 because my own observations have been largely along lines 

 parallel to his, and have led me to similar conclusions, that 

 I have ventured to criticize some aspects of his theory, whilst 

 fully endorsing his general contention, and admiring the care 

 and thoroughness with which he has worked it out. 



