Half

(ha(h)f). parts. H.-bath. See Bath . H. -breed, a popular term applied to offspring whose parents belong to differenl races. H. -lying, in ma age, reclining at an angle of about 450. H. Neck-rest, in ma age, haying one hand supporting the neck posteriorly. H.-wit, a weak-minded person; an idiot. weak in intellect. H.-witted, idiotic; sensation, dependent alone upon morbid stimulation of the sensory cortical centers. There is the perception of non-existent objects or impre ions, creations of the imagination. Hallucinations are variously cla ed as hypochondriac, hypnagogic, motor, negative, pseudo-sensorial, unilateral, visual, auditory, gustatory, olfactorv, tactile, hemiopic, epileptoid, etc. Hallux, or Hallus (hal'-uks or hal'-us). The great toe. The great toe when overriding the second toe. H. dolorosus. See H. flex us. H. nexus; Hallux rigid us; Hallux dolorosus; a condition allied to and perhaps identical with hammertoe, in which there is flexion of the first phalanx of the great toe. The second phalanx is usually extended upon the first, and there is more or le rigidity of the me tatar so phalangeal joint. H. rigid us. See H Jlexus. H. valgus, displacement of the great toe toward the other toes. H. varus, displacement of the great toe away from the other toes. Halo (haf-lo). 1. The brownish circle about the female nipple, called also the areola. 2. The luminous or colored circles seen by the patient about light in glaucoma. Halogen (hal'-o-jen). In chemistry, an element that forms a compound of a saline nature by its direct union with a metal. The halogens are chlorin, iodin, bromin, and fluorin, to which cyanogen may be added as a compound halogen. Halo genic. Salt-producing; producing haloids. Haloid. Any one of those compounds that consist of a metal directly united to chlorin, bromin, iodin, fluorin, or cyanogen. Root of a Hair and its Epidermic Sheath. I, i. External layer of epidermic sheath. 2, 2. Its inferior extremity. 3,3. Internal layer. 4, 4. External layer of cuticle of hair. "5. Root portion. of hair '8.6 of root. 7, 7. Its portion. peripheral or fibrous central or medullary 9, 9. Internal layer of cuticle of hair.