CONTENTS. XV 



PAGE 



Spring Migration in High Arctic Latitudes — In 

 Grinnell Land — In Arctic America — Table of Spring 

 Migrants — Return of Birds to Old Haunts— Migration 

 and Reproduction ... ... ... ... ... 201 



CHAPTER XL 



THE AUTUMN MIGRATION OF BIRDS. 



Impulse of Migration in Autumn — Conditions of Migra- 

 tion in Autumn reversed — Migrations of Cuckoos — 

 Duration of Autumn Migration — Difficulty of Noting 

 the Departure of Birds — Direction of Migration Flight 

 — Gregariousness of Birds in Autumn — Autumn in 

 the Arctic Regions — Migration correlated with Ter- 

 restrial Change — Abundance of Birds in Autumn — 

 Minor Streams of Autumn Migration — The Great East 

 to West Wave of Western Palsearctic Migration — Rare 

 Visitants to Western Europe from the East — Con- 

 current Streams of Migration flowing in Opposite 

 Directions along the same Routes — West to East 

 Migration in Nearctic Region — Punctuality of Depar- 

 ture in Autumn — ^Wandering Mania in Young Birds — 

 Table of Autumn Migrants — Reversal of Migratory 

 Impulses in Old and Young ... 



CHAPTER XIL 



MIGRATION IN THE BRITISH ISLANDS. 



Diverse Character of Migration in the British Isles — The 

 Researches of Messrs. Harvie-Brown and Cordeaux — 

 Migration Reports Published under the Auspices of 

 the British Association — Migration at British Light- 

 houses and Light-vessels — Routes of Migration in 

 British Isles— Effects of Rocky Coasts on Migration — 



