404 



G YPAETE—HALL UX 



their plumage being black and white. 



G. tibicen has a \Wde range in 

 Australia, while G. leuconota is 

 restricted to its southern and 

 western parts. Tasmania has 

 a smaller race of the former, 

 or distinct species, as some 

 regard it : the Organ-bird of 

 the colonists, G. hyperleuca, to 

 correct the name originally 

 bestowed on it by Gould 

 (Proc. Zool. Soc. 1836, p. 106), 

 or organica. 



GYPAETE, intended as an Anglified form of Gypaetus (Lam- 

 aiergeyer). 



GYRFALCON, from the Low Latin Gyrofalco, but the etymology 

 of that is doubtful, the best authorities differing concerning it. 

 Some would have it from the verb gyrare, to circle, others from 

 Geier, a Vulture, and this from the Old High German gtri, greedy, 

 while others again say that Geier is allied to gyrare. All agree, 

 however, in denying that there can be any derivation from Hiero- 

 falco, which is a hybrid word of modern invention (see Falcon). 



Gymnoehina. (After Swainsou.) 



H 



HACKBOLT, HAGBOLT, and HAGDOWN, names said to be 

 given by the people of Scilly and Man to the larger of the species 

 of Shearwater with which they meet, if indeed they recognize any 

 distinction, and in one form or. other used, it would appear, also on 

 the east coast of North America. 



HALCYON, Greek aXKVMv (the h being redundant), a poetical 

 name for the Kingfisher. 



HALF-BIRD, a common fowler's name for the smaller kinds of 

 Duck, especially the Teal, which bring only half-price, or something 

 like it, when sold. 



HALLUX, the first digit of the foot, commonly known as the 

 " hind toe " from its backward direction in most birds. When 

 fully developed it consists of only two phalanges, its metatarsal 

 is reduced to the distal portion, and is only loosely attached to the 

 inner and hinder surface of the other three coalesced metatarsals. 

 As regards position, structure and size, the Hallux is the most 



