42 



MIGEATION. 



enjoying the summer sun on the mud-flats of Durban Bay, probably migrate to breed on 

 the tundras around Archangel. 





WOODCOCK. 



GOLDEN PLOYEE. 



CTJELEW. 



DOTTEEEL. 







\ stragglers. 

 — eight killed. 



| 250 killed. 

 —50 killed. 



[ stragglers. 



[ few. 



— many. 

 ] 250 killed. 



1 stragglers. 

 \ few. 



] many. 



— many. 



] few. 



— hundreds. 

 ] very many. 



— stragglers. 



— very many. 



* * 1 

 C stragglers. 



— one. 



] few, all young. 



] many, all young. 

 ] few. 



\ many. 

 — few. 



— -some. 



— few. 

 ] many. 



] many. 



] very many. 



[ few. 

 — stragglers. 



f many, all young. 



f many young, a few 

 \ old. 



— many. 



— some. 



] some. 



— great many. 



— some. 

 ] some. 



— many. 



> 



NJ 



SI 

 a 





> 





fed 





> 





=1 

 SI 



f 

 H 



a 



Hi 



? 



a 



7J1 



go 

 fed 



■3 

 H 



O 



o 



H3 



o 



a 



H3 



o 



!2i 



o 



p 



u 



o 



Migration of 



Passerine 



birds. 



It must not be supposed that the greater proportion of birds migrating across Heli- 

 goland are water-birds ; on the contrary, the species which appear in the greatest numbers 

 are small Passerine birds who, presumably possessing weaker powers of flight, are most 

 anxious to find a temporary rest on such adventurous journeys. The following notes from 

 Gatke's diary are most interesting : — 



