GONYDE´AL, _a._ Pertaining to the mandibular symphysis.
GO´NYS, _n._ Keel or lower outline of the bill as far as the mandibular
rami are united. (The word is commonly but erroneously so written, as if
from the Greek _gonu_, knee, or protuberance of the bill; it is rather
from the Greek _genus_ (_genys_), signifying chin.—_Sundevall._)
GOR´GET, _n._ Throat-patch, distinguished by color or texture of the
feathers.
GRA´DIENT, _a._ Walking or running by steps. Opposed to _saltatory_, or
leaping.
GRAD´UATED, _a._ Changing length at regular intervals, in regular
succession; said chiefly of the tail when its feathers regularly shorten
successively by more and more from the middle to the outer.
GRAMINIV´OROUS, _a._ Grass-eating.
GRANIV´OROUS, _a._ Seed-eating.
GRAN´ULATE, _a._ Roughened with numerous small elevations, like
shagreen. (Said chiefly of the tarsus.)
GREATER WING-COV´ERTS, _n._ The single, longest, most posterior series
of the secondary set. (92.)
GROUND-COL´OR (_in oölogy_), _n._ The color of the general surface of
the egg-shell, as distinguished from its markings.
GRYPAN´IUM, _a._ Noting a particular form of bill, in which the culmen
is nearly straight, but bent down at the tip.