xvi CONTENTS. 



Recognized Points of Ingress — Classification of British 

 Migrants — Migration and Wind — Spring Migration in 

 British Isles — The First Flights — Rushes in Spring — 

 Cross Migration in Spring — Effects of Temperature — 

 First Arrival of Summer Birds from South — Spring 

 Migration at the Eddystone — Commencement of 

 Autumn Migration — Its growing intensity — Change 

 of Direction in Migration Flight — The Eastern Wave 

 of Autumn Migration — Number of Species composing 

 it — Correlation of Migration on Heligoland and British 

 Isles — Autumn Migration of Goldcrests — Autumn 

 Migration of Starlings — Vast size of these Autumn 

 Bird Waves — Their Persistency — Migration of Hooded 

 Crows in Wash District — Mortality among Migrants — 

 Origin of East to West Migration— Birds declining 

 to Cross the English Channel — Cross Migration in 

 Autumn — Migration along South Coast of England — 

 Winter Migration — Species Migratory all the Year 

 Round — Birds foretelling Snowstorms — Influence of 

 Migration Movement on Species — Tables showing the 

 Duration of Flight of British Migrants ... ... 238 



Index ... ... ... ... ... ... ... 291 



