Contents xiii 



CHAPTER x 



MIMICRY AND PROTECTIVE RESEMBLANCE IN 

 COLOUR OF BIRDS 



Mimicry in insects Curassow and Caracara Drongo and Black 

 Cuckoo Orioles and Helmeted Honey-eaters Owl-Parrot 

 Thick-knees Pennant-winged Nightjar Argentine Little 

 Bittern Ptarmigan and Willow-Grouse . . . .261 



CHAPTER XI 



PARASITIC BIRDS 



The Koel and the Myna The Common Cuckoo Its Migration 

 and winter home The similarity of its eggs to those of the 

 foster-parent The ejection of the young of the latter The 

 Cow-birds parasitic on each other The nesting of the Ani 

 or Savana Cuckoo of Jamaica . . . . . 295 



CHAPTER XII 



THE MIGRATION OF BIRDS 



Scanty knowledge of the subject Summary of observations by 

 Mr. W. Eagle Clarke Gatke's observations in Heligoland 

 Migration in the Mississippi Valley Migration in the 

 North Sea Mr. Abel Chapman's remarks on the flight of 

 birds ........... 323 



CHAPTER XIII 

 GEOGRAPHICAL DISTRIBUTION 



The Collecting of Specimens The six Zoo-geographical Regions 

 of the World Regions and Sub-Regions Provinces and 

 Sub-Provinces Sclater's Scheme Wallace's Amendments 

 Allen's Scheme Dr. H. O. Forbes and the Lost Continent . 348 



