Part 150

GE´NU, n. Knee; joint of femur with tibia.

GE´NUS, n.; pl. gen´era. An assemblage of species, or a single species, constituting a taxonomic group of value next below that of the family.

GEN´YS, n. See GONYS.

GER´MINAL VES´ICLE, n. Cell in the vitellus having a dark spot.

GIBBOSE´, GIB´BOUS, a. Swollen; protuberant; humped; hunched.

GIBBOS´ITY, n. A swelling or protuberance.

GIGE´RIUM, n. Gizzard.

GIN´GLYMUS, n. Hinge-joint. The knee and elbow are ginglymoid, or hinged joints.

GLAB´ROUS, a. Smooth.

GLAND, n. A soft fleshy organ, in which fluids of the body are modified to form new products, to be used in, or eliminated from, the economy. But some organs without ducts, and the function of which is unknown, are called glands, as the thymus, thyroid, and pineal. The liver is the largest gland of the body. The proventriculus is a glandular organ.

GLAN´DULAR, a. Pertaining to glands; having glands; consisting of glands.

GLANS, n. Head of the penis.

GLOS´SA or GLOT´TA, n. Tongue.

GLOS´SO-HY´AL, n. Principal bone of the tongue.

GLOS´SO-PHARYN´GEAL, a. Pertaining to the tongue and jaws. A certain nerve is so called.

GLU´TÆAL, a. Pertaining to the buttocks; certain muscles are so called.

GLU´TÆUS, n. A muscle of the side of the rump.

GNATHID´IUM, n.; pl. gnathidia. Branch of the lower jaw as far as it is naked. (Oftener used in the plural.) (24.)

GNATHOTHE´CA, n. Covering of the lower mandible. (14.)

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.)