THE PALATO-QUADRATE REGION OF THE PIKE

(AFTER HUXLEY.) ‚Art, the articular bone, Mek, Meckele cartilages Quy the quadrats bone; Sy, the grmpléetlc bone 1, the hyo-mandibmlar bone; Jip, the’mesopterygold bone; 4, the entopterygold bone; Æept, the ectopterygoid bone; PI, the palate bone. quadrato-jugal, cotyléal (in the crocodile), piéce postérieure du jugal [G. St.-Hilaire] (Ist def.). Ger., hintere Schläfenbeinschuppe (in reptiles), scheibenformiges Stück des Schläfenbeins (in mammals) ‘Meckel’ Wagner{ (ist det), Syn.: squamosal b. [Owen], temporal. (Ist def.), temporal b. (in lizards, the crocodile, and mammals), Jugal b. (in birds and monotremes [Cuvier]). 1. In comparative anatomy, a b. which extends backward from the malar to the quadrate b. and represents the zygomatic proce of the temporal b. of human anatomy. [L, 12, 14, 202.] | 2. Of Hallmann, the quadrate b. (1st def.) in fishes. ' [L, 14.)—Quadrato-maxillary b. A term applied by Hallmann to the quadrato-jugal b. (1st def.) in fishes. {L, 14.]—Raven b. See Coracoid b.—Rickety. B's which are deficient in earthy matter as the result of rickets.—Rider’s b. An o ification sometimes found in the tendon of the adductor magnus muscle of those who have ridden a good deal on horseback. [L, 299.]—Roof. See Membrane b’s.—Rooting b. See Prenasal 6.—Rudimentary metacarpal b’s. Syn.: splint b's. Two small b's situated on the inner and outer sides of the posterior surface of the principal metacarpal b. in solipeds. They have-the shape of an inverted pyramid, and are the rudiments of the metacarpal b’s of man. [L, Ae ane, 1. See Coccyx, 2. See Sacrum. caphocuboid b. In comparative quater ab. formed by the confluence of the scaphoid and cuboid b's. [L. 14.]—Scaphoid b. Lat., 0s scaphoideum.. Fr., 0s scaphoïde. Ger., Kahnbein, 1. Ab. of the tarsus lying on the outer side of the foot, which articulates posteriorly with the jactra value anteriorly with the internal, middle, and external cuneiform b's, and sometimes laterally with the cuboid b. [L,81.] 2, The most external b, of the first row of the carpus. It is somewhat boat-shaped, and articulates with the radius, the os magnum, and the trapezium, and with the trapezoid and semilunar b’s. [L, 31.|—Seapho-lunar b. A b, formed by the confiuence of the scaphoid and semilunar b’s, [L, 14.]—Sclerai. See Dermal b’s. —Sclerogenous. See Membrane b’s.—Selerosteous. See Sesamoid b's.—Sclerotal b’s, Sclerotic b’s. The bony plates found in the sclerotic coat of the eye in certain of the lower vertebrates. [L,200.]—Scooping b. See Prenasal b.—Seat b. Lat. 08 sedentarium. See Iscuium.—Secondary. See Membrane b's. —Semilunar b. Lat., 0s lunatum. Fr., os semilunaire. Ger., Mondbein. Ab. of the first row of the carpus lying between the scaphoid and pyramidal b’s, with which and the radius, os magnum, and unciform b. it articulates. [L,114.|—Septal b. The o ification found in the ventricular septum of the heart of certain vertebrates. [L, 12.]—Septo-maxillary b. A small nodule or plate of b. attached to the side of the nasal septum near its anterior termination in many of the lower vertebrates. [L, 200.]—Sesamoid. Lat., o a sesamoidea, Fr., 08 sésamoïdiens. Ger., Sesambeine. Small b's which lie within the substance of the tendons of various muscles, [I 81.]—Share b. 1. See Trivm. 2. See Os pubis—Shin b. See Tisx, — Short b’s. Lat., o a brevia, Fr., os courts. Ger., kurze Knochen. B's of which the length is iter than the breadth or thickne , but in no marked Geeree. (LJ— See Eti fe Sieve-like b. b.—Skin. See Dermal b’s. ne b. See AsTRAGALUS fe oar amc Cui Raat » the sphenethmold M. b.. Situated at the inner maléjugal’bones Bs the en iid, side of the tarsus of the soli. Pr0, the pro-otle bone, Redes which represents the conuence of the internal and mid- [L, 18.}—Small pastern b. The middle