CONTENTS. xiii 



CHAPTEE XX. 



Hibernation of birds Migration of birds Reed warblers Origin of mi- 

 gration Transvaal warblers The mammoth age Insect life Lines 

 of migration Heligoland Its ornithologists Variety of birds Wind 

 and weather The throstle-bushes Migration by sight Order of 

 migration Stray migrants The yellow-browed warbler Migration 

 on Heligoland Skylarks Migratory instincts Other facts of mi- 

 gration .. ' .. Page 242 



CHAPTER XXI. 



Trip to Kuya The prahms Travelling in a Rosposki The birds we saw 

 Arrival of the Triad at Alexievka We win over the manager The 

 Ino Doing Robinson Crusoe in a wrecked ship Nest of the long- 

 tailed duck Our first little stint's nest The tundra Sunset and sun- 

 rise Little stint's eggs The tundra near Bolvanski Bucht Phalaropes 

 Interior of the tundra Change of plumage in phalaropes An early 

 morning start Confusion of time The snowy owl Two more nests of 

 the little stint A march of geese on the tundra An old grave . . 262 



CHAPTEE XXII. 



On short commons Bad weather A foraging party Russian supersti- 

 tions Return of the steamer Beautiful flowers Arrival at Alexievka 

 Departure for home Thunder-storm -Waterspout Sea-birds 

 Hard fare Copenhagen Results of the trip .. .. ... 284 



CHAPTEE XXIII. 



Summary of the trip Summer in the Arctic regions Circumpolar 



birds Birds confined to the eastern hemisphere Various ranges 



of birds Migration of birds Dates of arrival Probable route- 

 Conclusion 



