OF ORNITHOLOGY 157 



Terete, nearly cylindrical, having the transverse section nearly 

 circular. 



Terminal, at the end. 



Terrestrial, pertaining to the ground. 



Tertiary quills, Tertiaries, the quill feathers of" the up|)er arm. 



Thigh, the thigh of a bird is represented by the feiaar or thigh- 

 bone. 



Throat, the throat of a bird is, really, divided into 2 regions : 

 the upper or (/ala region, and the lower or jug uluni. 



Thumb, the small outer bone of the wing, also called bastard 

 loing or alula " liitle wing." 



Tibia, the inner leg bone (both tibia, and fibula are usually 

 spoken of together as the tibia, in describing birds). 



Tomia, the cutting edges of the mandibles. 



Totipalmate, fully or wholly webbed (not incised anywhere). 



Trachea, the windpipe. 



Transverse, crosswise, up and down. 



Trifid, having three divisions or parts, divided into three parts. 



Trilobate, three lobed. 



Truncate, cut or broken off at the top. 



Tubercles, small wart-like raised surfaces on the skin. 



Tubular, having the shape of a tube. 



Tumid, rough and uneved, swelled out, (with skin soft.) 



Turgid, rouLih and uneven, swelKd out, (with skin hard.) 



Typical, a Type, a spcH-iinen best illustrating any given group 

 or series, or series of gmups. 

 U. 



Ulna, the outer of the two bones of the forearm. 



Ung u ic ula te , c 1 a w - li 1; e . 



Unguis, the nail (applied to the bill and sometimes the claw). 



Upper tail coverts, upper wing coverts : the small feathers cov- 

 ering the base of the tail or wing above ; under tail 

 coverts, under wing, coverts, the same below. 

 V. 



Vaulted, arched (like the roof of the mouth). 



Vascular, furnished with little pits (like the extremity of a 

 Snipe's bill). 



