The Lesser Spotted Woodpecker. 423 



thinner in the bill, and has a crimson head, about the only 

 noticeable distinction, and these may arise as a sport, in the 

 same manner as the white throat in the Goldfinches known 

 as Cheverels." All birds of this species are best kept by 

 themselves in aviaries in the open air. 



Diseases and their Treatment. — See remarks on the 

 Green " and ''Greater Spotted Woodpecker" under this 

 heading (pp. 416 and 420). 



