Part 155

INTERMAX´ILLARY (bone), n. Same as PREMAXILLARY (which see).

IN´TERNODE, n. Any bone of a finger or toe.

INTEROR´BITAL, a. Between the eye-sockets.

INTERRA´MAL, a. Between the forks or rami of the lower jaw.

INTERRUPT´ED, a. Discontinuous; broken up.

INTERSCAPIL´IUM or INTERSCAP´ULUM, n. Region of the upper back between the shoulders. (58.)

INTERSCAP´ULAR, a. Between the shoulders. The plural, interscapulars or interscapularies, is used to denote the feathers of such region collectively.

INVAG´INATE, a. Sheathed.

INVER´TEBRATE, a. or n. Having no backbone; an animal without a backbone. Opposed to vertebrate.

I´RIAN, IRID´IAN, a. Pertaining to the iris.

IRIDES´CENT, a. Glittering with many colors, which change in different lights.

I´RIS, n. Circular muscular curtain suspended perpendicularly in the eye between the aqueous and vitreous chambers, having a hole in the centre (the pupil). It is of all colors in birds.

ISCHIAT´IC, a. Pertaining to the ischium.

IS´CHIUM, n. One of the pelvic bones, the hindermost.

-ISH. A suffix, forming an adjective, usually denoting possession of a quality in less degree; especially used for colors; as, blackish, not quite black, etc.

ISTH´MUS, n. Neck or narrow strip connecting two larger portions of same region, patch of color, etc.

JAW, n. See MAXILLA, MANDIBLE.

JEJU´NUM, n. Portion of intestine between duodenum and ileum (not definite, and little used).

JU´GAL, a. Pertaining to the zygoma.

JU´GAL (bone), n. Same as malar bone.

JU´GULAR, a. Pertaining to the jugulum.

JU´GULUM, n. Lower throat; lower foreneck. (53.)

JUNCTU´RA, n. Articulation; joint.

KEEL, n. Same as GONYS (which see). (22.)

KNEE, n. Femoro-tibial articulation. (N. B. The heel-joint, suffrago, or tibio-metatarsal articulation, is often improperly called knee.) (102.)

LA´BEL, n. Card, ticket, or similar slip of paper, parchment, etc., affixed to an object, giving written information respecting it.

LAC´ERATE, LACIN´IATE, a. Cut or slashed on the edge or end into a fringe or brush.

LACH´RYMAL (bone), a. A large stout bone forming part of the orbit.