GREEN WOODPECKER. 151 



moreover, that they are most frequently uttered when the 

 bird is on the wing. 



The derivation in the present instance, through the as- 

 sistance of a learned friend at Cambridge, who is kind 

 enough to interest himself in the character and success of 

 this History of our British Birds, might have been carried 

 much farther, but it may perhaps be considered that enough 

 has already been said here upon this subject. 



Though sufficiently common and well known in the 

 wooded districts of England and Scotland, as before ob- 

 served, it is rarely seen in Ireland. It is not a common 

 bird in Holland, though found generally on the European 

 continent from Scandinavia and Russia to Spain, Provence, 

 Italy, and Sicily. The editor of the last edition of Pen- 

 nant's British Zoology, says, that it is also found in the 

 wooded districts of Greece, but not on the eastern side of 

 that country, which is bare of trees. 



Dr. Dickson and Mr. Ross have found this species in 

 great numbers at Trebizond, and have shot them in the 

 country between Trebizond and Erzeroum. 



The adult male has the beak of a dark horn-colour, 

 almost black, the base of the lower mandible only being 

 nearly white ; the feathers over the nostrils, on the lore, 

 and round the eye, black ; the crown of the head and the 

 occiput bright scarlet ; the irides white, tinged with pale 

 straw colour; from the base of the lower mandible a 

 moustache extends backwards and downwards, formed of 

 black feathers, with a brilliant scarlet patch along the 

 middle of it ; the neck, back, wings, wing-coverts, and 

 scapulars, dark green, tinged with yellow ; rump and upper 

 tail-coverts sulphur yellow ; wing-primaries greyish black, 

 spotted with white along the w r hole of the outer web, and 

 on the proximal half of the inner web ; the secondaries and 

 tertials uniformly green on the outer web, greyish black 



