STUDIES 



IN 



Bird Migration 



BV 



WILLIAM EAGLE CLARKE 



Kttpfr uj the h'atitial //istorv Departntent, thf Royal Scottish Museum 



WITH MAPS, WEATHER CHARTS, AND O'lHER 

 ILLUSTRATIONS 



VOLUME \. 



LONDON 



GURNEY AND JACKSON 



EDINBURGH: OLIVER AND BOYD 



1912 



