152 MANUAL 



J. 



Jugulum, See Throat. 



K. 



Keeled, having a raised, central ridge like the inverted keel of 

 a ship. 



Knee, practically the joint of the femur and the fibula. 



L. 



Lamella:, thin plate- or scale-like processes. 



Lamellirostres, birds in which the bill is furnished with lamella? 

 (Duck-like). 



Lanceolate, shaped like the head of a lance. 



Larynx, the upper part of the trachea, or windpipe, from the 

 lower part of which proceed the laryngeal or the sing- 

 ing muscles. 



Lateral, pertaining to the side or sides. 



Latitudinal, long, — in height. 



Linear, like a line, long and narrow. 



Lobate, furnished with a series of lobes or flaps along the sides 

 of each toe. 



Lobes, fleshy outgrowths (of membraue). 



Longirostres, birds in which the bill is long but stout (Snipe- 

 like). 



Longitudinal, long lengthwise. 



Lores or Loral regions, the spaces between the eye and the base 

 of the upper mandible, on either side of the head. 

 M. 



Maculate, spotted. 



Malar, pertaining to the cheek. 



Mandibles, the upper and under sheaths of the bill. 



Mantle, — in gulls, etc., the upper surface of the wings and 

 back taken as a whole. 



Maxillary line, the line at the base of the jaws or mandibles. 

 [The word maxillary is seldom used in Ornithology, 

 being interchangeable with mandible ; it refers, really, 

 to the secondary jaws of Insects.] 



Median, middle. 



