. The Encyclopaedia Britannica; ... A dictionary of arts, sciences and general literature. lation with the prootic,opisthotic, squamosal, and exoccipital, where they all meettogether. This is the pterotic (pto.), a huge bone inOsseous Fishes, and walling-in much of the labyrinth. InSerpents only a film of ectosteal bone represents it, and inLizards such a plate appears, overlapping cartilage whichhas begun to calcify. It develops and becomes part ofthe parotic process. The basi-temporal plate (), therostrum, with its arrested basi-pterygoids (), areshown, and on each side the double c
. The Encyclopaedia Britannica; ... A dictionary of arts, sciences and general literature. lation with the prootic,opisthotic, squamosal, and exoccipital, where they all meettogether. This is the pterotic (pto.), a huge bone inOsseous Fishes, and walling-in much of the labyrinth. InSerpents only a film of ectosteal bone represents it, and inLizards such a plate appears, overlapping cartilage whichhas begun to calcify. It develops and becomes part ofthe parotic process. The basi-temporal plate (), therostrum, with its arrested basi-pterygoids (), areshown, and on each side the double condyle of the quadrate(q.), characteristically placed transversely. The zygomais composed of thin needles of bone (, j.); the See Monthly Microscopical Jotimal, Feb. 7, 1873, p. 45, plate 5,ig. 2. A paper by tlie same writer ia the Linnean Traruacliona,1875, may be consulted for copious illustfitieas of the Damnijnallur. zygomatic process of the maxillary is, behind, bound up\vith the jugal and quadrato-jugal, and in front passesinto the upper dentary region, half overlapped by the. Fio. 85. akull of DMlllng Spairoic-Bauii {AecipUtr ntnaX palotal tIcw, x 1diameters. Ttio clrcuJar space on eacti side of tlie basi-tempoial ) Is lli»opening of the anterior tympanic recess. The meao-ptcry^olds {) slinwpart of their lower (ace on tlie poat-palatlne reclon; the !? >are mere Itnobs, and the common cualachtan opening is seen between maxUIo-paiatlne plates () are dotted to show tlieir spongy character. dentary process of the proraaxillary (px.) The dentaryedge of the maxillary sends inwards the maxillo-palatineplate (), which meets its fellow at the mid-line, andalso grows retrally and superiorly into an elegant shell-likemass. The right and left plates lie edge to edge, as in theadult Cariama, and are imperfectly direct in their desmo-gnathism. The palatine processes of the premaxillariesbind the fore-ends of the palatines, w
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