THE ANTERIOR SURFACE OF THE FRONTAL BONE

1, 1, the orbital ‘arches; 5, 5, the internal otbital a}; 6, 6, the external orbital apophyses; 7, 4, the surfaces for articnlation with the’ nasal and e ar 8, ‘nasal sping; 8, 9, the roofs of the orhits, and superior maxiliary bones; 8, the Of Owen, the fronto-parietal b. in the Dipnoi. [L, 12, 14.|—Frontoparietal b. Lat., os frontoparietalis. Ger., Stirnscheitelbein. A. formed by the confluence of the frontal and parietal b’s, [L, 204.]—Girdie b. See Sphenethmoid b.—Glo o-hyal b. Lat… 0s linguale. Ger., Zungenkerne. A small b. which, in certain of the lower vertebrates, runs forward from the basihyal b. into the substance of the tongue, which it serves to support. _ [L, 12, 147.]— Great cuneiform b. [Percivall]. The middle cuneiform b. of the solipeds. [L, 13.1—Haunch b. See Innominate b.—Heel b. See CALCANEUM.—Hip b. Lat.,oscoræ. See Imnominate b.—Hook b. See Unciform b.—Huckle b. The coccyx, also the astragalus (3d def.). LA, 67.]—Humeral b. Fr.,oshumérat. Of Cuvier, the coracoid b. of fishes. [L,14.]—Hyoid b. Lat., oshyodes. Fr., 0s hyoide. Ger., Zungenbein. A U-shaped b. situated at the base of the tongue immediately above the thyreoid cartilage. It consists of a body and the greater and le er cornua. The greater cornua (the thyreo-hyal b’s of comparative anatomy) project backward from the body of the b., and the le er cornua (the cerato-hyal b's of comparative anatomy) upward and kward from the point of union of the greater cornua and the body. The preater . THE ANTERIOR SURFACE OF THE cornua unite with the body in HYOID BONE. (AFTER SAPPEY.) adult life, but the le er re- 1, 1, the body; 2, 2, the greater cornua; 4, main distinct, being united 4, the ‘cornua, only by means of a synovial articulation. [L, 142, 153.]|—Myo-mandibular b. Fr., serrial (in fishes [G. St.-Hilaire]), mas toïdien [Aga iz]. Ger., aberes Gelenkbein |Meckel, Wagner]. Syn.: epitympanic b. [Owen], temporal b. (in fishes), EDaREnG b. (in batrachians [Cuvier]), quadrate or tympanic b. (in fishes [Hallmann]). The uppermost b. of the mandibulary suspensorium of certain fishes. It articulates above with the side of the cranium and below with the hyoid arch, either directly or indirectly, and is the representative of