THE SKULL OF THE PIKE

(AFTER HUXLEY.) Pa, the parietal bone; Fr, the frontal bone; Prf, the prefrontal bone; Pif, the post frontal bone; S, the squamosel bone; Zp, the epiotic bone; BO, the basioceipita: bone; 70, the i bone; SO, the eupra-oceipitel bone; Pre, she bone; z, the boñe; y, the bas i sphenoid bone; 22, the parasphenold bone. faces), 08 Cre aa (in fishes [G. St.-Hilaire]), 0s otosphénal in fishes [G. St.-Hilaire}). Ger., Hinterhauptstück des Hinterhauptsbeins [Wiedemann], Hinterhauptkôrper [Meckel, Wagner]: Syn.: inferior occipital b. (in the cod and the python [Cuvier] and in birds [G. St.-Hilaire]). The basilar portion of the occipital b. before it has united with the other elements. In many of the lower vertebrates it persists as a distinct b. through life. th, 12, 142, 153.] —Basi-occipito-sphenotdal b. [Owen]. See Parasphenoid b. —Bas i pre sphenoid b. In comparative anatomy, a b. formed by_the confluence of the bas i sphenoid and pre sphenoid b’s, [L, 14.]|—Bas i sphenoid b, Lat., 0s bas i sphenoid ale, sphenoideum basil are [Bojanns, Harting, Stannius]. Fr., os basisphénoïde, sphénoide principal (in fishes [Aga ia]), partie postérieure du sphénoide unique (in reptiles and birds), sphénoïde postérieur (in mammals [Ci r)), hyposphénal (in fishes and the crocodile), basilaire (in birds [G. St-Hilaire]). Ger., Keilbein [Rathke], Keilbeinkirper leckel, Wagner]. In comparative anatomy, a cartilage b. of the se of the skull which lies between the bas i occipital and pre sphenoid b's; in human embryology, that portion of the sphenoid b. from which the posterior portion of its body and the sella turcica are formed. [L, 12, 14, LR aoe! b. A membrane b. which in birds underlies the bas i sphenoid and a portion of the bas i occipital bones; the name is sometimes applied also to the lingula of the sphenoid b. [L, 142, 204.) Blade iB See SCAPULA. —Boat-like b. See Scaphoid b—B. crumbs. See O eous GRANULES.—B'let. See O icLe.—B’s of Bertin. See Sphenoidal turbinate b's,—13. of the Incas. Lat., os Ince. À term applied to the interparietal b. of man when it ees through life, on account of the belief that it is always found in the skulls of the ancient Peruvians. [L, 149.|—B. oil. See Dippel's animal ou.—B.-setter. Fr., bailleul, rebouteur, renouveur, rhabilleur. Lit., one who devotes himself to the treatment of fractures; as commonly used, an irregular practitioner who is supposed to have a particular gift in that direction. [L.|—B’shave. See Femoro-popliteal NEURALGIA. —Branchiostegal. Fr. rayons bronchiostégaux [Cuvier], côtes sternaux [G. St.-Hilaire}. Ger., Kiemenhautstrahlen [Meckel]. A term applied to several small dagger-shaped b’s which are articulated or attached by ligament to the epihyal and ceratohyal b's of fishes and between which the branchiostegal membrane is stretched. [L, 207.])-Breakb’. See Denave.—Breast-b. See STERNUM.— Calf-b. See FrBuLA.—Canal b. See CLAVICLE.—Cancellated b., Cancellous b. Fr., 0s spongieux. B. which consists largely of cancellated or spongy ti ue. [L, 114.)—Cannon-b. The middle metatarsal b, in the solipeds. [L, 13.]—Carpal. Lat., o a i, Fr., os carpiens. Ger., Handwurzelknochen. The h’s which make up the carpus, viz., the scaphoid, semilunar, pyramidal, and THE POSTERIOR SURFACE OF THE CARPAL BONES. S, the ecaphoid bone; L, the semiluner bone nam; T, the trapezoid bone; M, the os magnum; U, form bone; 1, 2, 3, 4, 5, the metacarpal bones, (AFTER SAPPEY.) C the pyramidal booe; T, the tra the unciform bone; 'P, the ploipisiform b's, the trapezium, the trapezoid b., the os magnum, and the unciform b. (L, 142.]—Cartilage. B's having an intra cartilaginous o ification. [L, 294.]—Cerato-branchial b. That b. of a branchial arch which lies between the hypo branchial and the epibranchial b’s. [L, 207.] Cf. Hypo pharyngeal b’s.—Cerato-hyal b. Lat., os linguale super i us (seu pis i for me uemuners ring]) (ist def.). ’Ger., Zungenbogen [Meckel] (ist def.). Syn.: hyosternal b. (in fishes), glo ohyal b. (in birds), apohyal b. (in birds 1a St.-Hilaire]) (ist def.). 1. In comparative anatomy, that piece of the hyoid apparatus which lies between the basihyal and the epihyal b's, and is the representative of the le er cornu of the hyoid b. of man, (L, 14, 153.] 2. The epihyal b, of mammals. [G st.-Hilaire (L, 14).J—Channel b, See CLAvicre.—Cheek b. See ‘Malar B.—Chevron. Fr., os en V. Ger., untere Bogen. A term erpurd to a number of small b’s, in the shape of an inverted arch, which are situated beneath and nearly opposite the intervertebral.spaces of the caudal vertebrae of animals having well developed tails. They are usually articulated to prominences on the lower surface 6f the bodies of the vertebrae, and serve to increase the surface for the attachment of the caudal muscles. [L, 153.]—Chondrogenous. See Cartilage b’s.—Ctoacal b. Lat., os cloacæ. A small rod of bone which, in certain fishes, pa es backward from the symphysis ischii to the ventral wall of the cloaca. [L, 200.|—Cockal b. See ASTRAOALUS (3d def.).—Coffin b. The ungual phalanx of the solipeds. [L, 14.)—Collar b. See CLAVICLE—Coraco-clavicular b. A b. formed by the fusion of the coracoid b. and the clavicle in the mole and allied genera. [L, 153.|—Coracoid b. Lat., os coracoideum, clavicula [Stannius, Parker (1st def.)]. Fr., huméral (in fishes), 0s coracoïdien (in reptiles and birds), apophyse coracoidienne, tubercule coracoïdien (in mammals (Cuvier clavicule [Aga iz], furcula ire (in fishes), coracoide (in reptiles, birds, and mammals [G. St.-Hilaire]). Ger., vorderes Schlii elbein (in fishes), hinteres Schlii elbein (in other vertebrates [Meckel, Wagner]). (All these apply only to the 1st def.) 1. In comparative OT aS a b, which articulates above with the scapula and below with the sternum or its fellow of the opposite side, and aids in supporting the pectoral limbs. It has been regarded as the homologue of both the clavicle and the coracoid proce of the scapula in man, but it most probably is the representative of the latter. [L, 12, 13, 14, 153, 200, 201, 202.] 2. A term applied by Parker to the radius of fishes. [L, 207.]—Coronal b. See Frontal b. —Coronary b. 1. The middle phalanx of the manus of the solipeds. {L, i3.] 2 See Coronoid b.—Coronoid b. Fr., os coronoïde, complémentaire (in lizards [Cnvier]) (1st def.), souspalpébral (in the crocodile [G. St.-Hilaire]) (ist def.). Ger., Kronenstück des Unterkiefers [Meckel, Wagner] (ist def.). 1. In comparative anatomy, a b. on the inner surface of the mandible, which is the representative of the coronoid proce of the inferior maxilla of man. 2. Of Bojanus and Harting, the supra-angular b. [L, 14, 27.] —Cotyloid b. Lat., 0s ace tabuli. A small b, in the acetabulum of certain of the lower vertebrates which lies adjacent to the os pubis, {L, 200.|—Covering. See Membrane b’s—Coxal b. e Coccyx and Irrvx.—Cranial ethmoid b. Fr., os ethmoïde cranien. A term applied by eee to the entosphenoid b., and by Cuvier to the ethmo-turbinal b. [L, 14.]—Cranial-roof b. ' See Epicranial b.—Cribriform b. See Ethmoid b.—Cr b. See cruM.—Crow-beak b. See Coracoid b (1st def.)—Crupper b. See Coccyx.—Cuboid h. Lat., os cuboides, Fr., 0s cuboide. Ger., Wurfelbein. A b. which lies on the outer side of the foot, between the os calcis and the fourth and fifth metatarsal b's, with which it articulates. [L, 152,]—Cuneiform b. Lat., os cunei for me, Fr, os cunéiforme. 1. See Pyramidal b, 2. See Sphenoid b.—Cylindrical.. See Long b's.—Dentary b. Fr. os dentaire, ‘Ger., Zalhmstück des Unterkiefers feet Wagner]. Syn.: sub dental 6, (in fishes and the crocodile [G. St.-Hilaire]). A b. found in fishes and the Amphibia, which, with its fellow of the opposite side, forms the anterior portion of the mandible. [L,.]—Dermal. Owen's term for b's which are o ifications of and belong to the cutis. [L, 207._—Dermal ethmoid b., Ectethmoid b. Prefrontal b. ctocuneiform b. External cuneiform b. —Kcto-ethmoid b. See Prefrontal b.— Ectopterygoid b. Syn.: transverse b. (in ophidians, lizards, and crocodiles [Cuvier]), adgustal b. (in the crocodile [G, St.-Hilaire]). In comparative THE SKULL OF THE Cop, the præopereulum; o, the opere.lum proper; +, the subopercul dible; m, the interimexilary’bone. PP > anatomy, a b. which extends between the superior maxilla and the pterygoid b. [L, 12, 14.|—Ell b. See Utna.—Elongated. A term sometimes applied to long b’s which are destitute of a medullary cavity (e. g., the ribs). [L, 13.|—Endoehondral. A term applied fo true b’s formed by osteoblastic ti ue, which for the most part replaces the calcified cartilage matrix, and is finally itself partly or wholly replaced by adult or periosteal b. [J, 32, 42. —Entocuneiform b. See Internal cuneiform b.—Entoglo a) b. See Glo o-hyal b. (1st def.),—Entohyal b. 1. See Glo o-hyal b. (ist def.). 2 In the pl. the bas i branchial b’s [Hallmann (L,