iv IffTEODTJCTION. 



From " spring to autumn " signifies that the species is a regular 

 migrant and breeds in some parts of the British Islands. 



Habitat or geographical range of the rarer birds is given in the 

 margin. 



Of the 376 species included in this list some 132 are resi- 

 dents : about 52 are migrants, which breed, or have bred, in the 

 British Islands; some of these, such as Chiffchaff, Quail, Land-B/ail, 

 &c., rarely remain throughout the winter, making the number of 

 nesting species about 184. 



Regular winter visitors number about 37. 

 Northern stragglers number 23. 

 American stragglers are 23 in number. 



The remainder are stragglers from the South and East, many 

 having only occurred once. 



Diagrams are given showing the names of the different parts of 

 a bird. 



