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. { 
Affirmed (L. af 'finis), a. Related by affinity. 
Affm'ity, 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, ) a Affected with albinism. 
Albinot'ic, ) 
Alec'troid (L. alectroi'deus), a. Cock-like ; resembling the domestic cock 
( Gallus ferrugineus, $ ). 
Alec'torine (L. alectori'nus), a. Pertaining to the domestic cock. 
Alectoromorph'ae (L.), n. The Huxleyan name (meaning "cock- 
formed") for the Gallinaceous birds (Gallinece or Gallinaceaz of other 
authors). 
Ariform (L. alifor'mis), a. Wing-like. 
Alpine (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 Sphenisci, the young of 
the Altrices are psilopcedic, 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'se (L.), n. The Huxleyan name for a natural group, or 
so-called "order" of birds, including only the Flamingoes {Phoenico- 
pteridoz). 
A'nal (L. ana'lis), a. Pertaining to the anus. 
