. Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates -- Anatomy. 70 COMPARATIVE MORPHOLOGY OF VERTEBRATES. quadrate to form the functional upper jaw (figs. 66, 67) in all bony vertebrates. In its fullest development it consists of bones on either side, beginning behind with a squamosal, which overlies the quadrate, and followed by a quadratojugal, a zygomatic (malar or jugal), and a maxillary, which joins the premaxillary, the latter forming the. FIG. 68.—Dorsal and ventral views of skull of young Sphenodon, after Howes and Swinnerton. Explanation of letters used in figures
. Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates -- Anatomy. 70 COMPARATIVE MORPHOLOGY OF VERTEBRATES. quadrate to form the functional upper jaw (figs. 66, 67) in all bony vertebrates. In its fullest development it consists of bones on either side, beginning behind with a squamosal, which overlies the quadrate, and followed by a quadratojugal, a zygomatic (malar or jugal), and a maxillary, which joins the premaxillary, the latter forming the. FIG. 68.—Dorsal and ventral views of skull of young Sphenodon, after Howes and Swinnerton. Explanation of letters used in figures of skulls (figs. 68 to 105) unless other- wise stated, an, angulare; ao, antorbital; ap, antorbital process; or, articulare; as, ali- sphenoid; b, basale; bb, basibranchial; bh, basihyal; bo, basioccipital; bs, basisphenoid; cb, ceratobranchial; ch, ceratohyal; d, columella; co, coronoid; cp, copula; cr, cranial rib; cr. eth, cribiform plate of ethmoid; d, dentary; de, dermal ethmoid; dee, dermal ectethmoid; eb, epibranchial; ee, ectethmoid; eh, epihyal; enp, entopterygoid; eo, exoccipital; ep, ectopterygoid; epo, epiotic; eth, ethmoid; ethpp; perpendicular plate of ethmoid; es, extra- scapular; exb, extrabranchial;/, frental ;//>, frontoparietal; g, goniale;&, hyoid;M, hypohyal; hm, hyomandibular; hr, hyoid rays; i, incus; if, infratemporal fossa; io, interoperculum; ip, interparietal; j, jugal; /, lacrimal; la, labial; md, mandibular; me, mesethmoid; mk, Meck- elian; ml, malleus; mm, mentomeckelian; mpt, mspt, mesopterygoid; mtp, metapterygoid; mx, maxillary; mxp, maxillopalatine; mxt, maxilloturbinal; n, nasal; na, neural arch; nc, nasal capsule; wo, notochord; o, occipital; oc, occipital condyle; oo, opisthotic; op, operculare; os, orbitosphenoid; ot, otic bones; p, parietal; pd, predentary; pe, petrosal; pf, postfrontal; pi, palatine; pm, premaxillary; po, preoperculare; poo, postorbital; pq, pterygoquadrate; prf, prefrental; pro, preorbital; prot, prootic; prs, p
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1912
