62 



ORNITHOLOGISTS' COMPENDIUM. 



Aggregated, a. Collected together ; accumulated. Thus, by aggrega- 

 tion, a number of individual spots or other markings may form, col- 

 lectively, a larger patch or stripe. 



Affin'ed (L. af 'finis), a. Eelated by affinity. 



Affinity, n. Direct relationship. 



After-shaft, n. Properly, the stem of the supplementary plume springing 

 from near the base of some feathers ; ordinarily, however, applied to 

 the plume itself. 



Al'ar (L. ala'ris), a. Pertaining to the wing. 



Alaud'ine (L. alaudi'nus), a. Lark-like. 



Arbinism, n. An abnormal condition of plumage, with white replacing 

 the ordinary colors to a greater or less extent. Albinism results from 

 a deficiency or entire absence of pigment in the skin which supplies 

 the coloring of the feathers, and is complete only when all colors are 

 obliterated from the plumage. (In birds, complete albinism of the 

 plumage is not necessarily accompanied by change of colors of the 

 bill, feet, and eyes.) 



Albi'no, n. An animal affected with albinism. 



Albinis'tic, ) 0- Affected with albinism. 



Albinot'ic, ) 



Alec'troid (L. alectroi'deus), a. Cock-like ; resembling the domestic cock 

 (Gallus ferrugineus, 6). 



Alec'torine (L. alectori'nus), a. Pertaining to the domestic cock. 



Alectoromorph'se (L.), n. The Huxleyan name (meaning "cock- 

 formed") for the Gallinaceous birds (Gallinece or Gallinaceoz of other 

 authors). 



Ariform (L. alifor'mis), a. Wing-like. 



Alp'ine (L. alpi'nus), a. Pertaining to the Alps. (Often used in relation 

 to any high mountain-range for species inhabiting high altitudes, 

 which are termed "Alpine" species.) 



Al'trices (L.), n. Birds whose young are reared in the nest and fed by 

 the parents. With the exception of the Raptores, some of the Stega- 

 nopodes and Pygopodes, the Longipennes and Spkenisci, the young of 

 the Altrices are psilopaedic, that is, born naked, or only partially 

 clad. 



Altri'cial, a. Having the character of, or pertaining to, the Altrices. 



Alu'la (L. ; pi. alu'lce), n. The " bastard-wing," composed of several stiff 

 feathers growing on the so-called thumb. They are situated directly 

 below the secondary or greater coverts, and collectively resemble a 

 miniature wing, whence the name. (Plate XL) 



Alu'lar, a. Pertaining to the alula. 



Am'bulatory, a. Gradient ; walking or running. (Opposite of Saltatory, 

 hopping or leaping.) 



Amphimorph'ae (L.), n. The Huxleyan name for a natural group, or 

 so-called "order" of birds, including only the Flamingoes (Phcenico- 

 pteridoz). 



A'nal (L. ana'lis), a. Pertaining to the anus. 



