. Catalogue of the mammals of western Europe (Europe exclusive of Russia) in the collection of the British Museum. IXSECTIVOKA Outline when viewed from the side long wedge-shaped, rounded oti' posteriori". Surface of skull smooth, except for a slight sagittal crest, present in old individuals along course of parietal suture, and a crest-like elevation extending ftirward and outward from autero-external angle of interparietal along edge of slightly intlated mastoid region, and terminating anteriorly in a slightly jxiinted in'ojection. Brain-case with posterior mai'gin nearly semi- circular
. Catalogue of the mammals of western Europe (Europe exclusive of Russia) in the collection of the British Museum. IXSECTIVOKA Outline when viewed from the side long wedge-shaped, rounded oti' posteriori". Surface of skull smooth, except for a slight sagittal crest, present in old individuals along course of parietal suture, and a crest-like elevation extending ftirward and outward from autero-external angle of interparietal along edge of slightly intlated mastoid region, and terminating anteriorly in a slightly jxiinted in'ojection. Brain-case with posterior mai'gin nearly semi- circular to projecting points already mentioned, then abruptly conical to back of interorbital region, its outline when viewed from behind fusiform, a little less than half as deep as wide : condyles slightlv projecting, but not noticeably breaking general posterior outline. Interparietal large, strap-shaped, slightly convex in front, similarly concave behind, the lateral extremities squarely truncate, its antero-pos- terior diameter about one-third transverse diameter. Its anterior and lateral sutures remain visible, but the lambdoid suture is nearly obliterated early in life, though its position is usually marked by a slight ridge representing the lamlxloid crest. Base of brain- smooth, without conspicuous ridges, furrows or open spaces, the bones for the most part some- what inHated : two ill-tielined pits in surface of basioccipital in front of foramen magnmu ; a shallow, broadlv triangular median furrow between the low, flattened bulke, the sub-circular, slightly triangu- lar outline of which is sometimes distinctly indicated, but more often very obscui-e : auditory meatus small, nearly circular. Iinier pterygoid plate small but well developed, the hamulars short, turned slightly outward : mesopterygoid space much narrower posteriorly than anteriorly, its greatest breadth less than half length, its length much more than width of palate bctN\ ccn posterior molars, its anterio
Size: 1301px × 1920px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1910, bookyear1912
