Philosophical Transactions of the Royal Society of London, Volume 176, Part 1W. Bowyer and J. Nichols for Lockyer Davis, printer to the Royal Society, 1886 - Mathematics |
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Common terms and phrases
a.ty ag.p al.n al.sp alisphenoid al.s angular process annulus auditory capsule backwards basal basis cranii bony c.hy cartilaginous cavity cd.p centre cochlea cochlea chl concave condyles oc.c condyloid convex cr.p cribriform plate crus dentary edge embryo endocranium epihyal Eutheria facial nerve facial nerve VII fenestra foramen magnum fore front frontals f gl.c glenoid hard palate hind margin hinder inch long incus inner view Insectivora inside jugal lobe lower view m.tb malleus mandible manubrium Marsupials maxillaries mx MECKEL'S cartilage middle Mole nasal labyrinth notched Number oblique occipital arch opisthotic orbitosphenoid orbitosphenoid o.s. ossified outer palatine plates parietal perpendicular ethmoid posterior premaxillaries px presphenoid rc.c region right and left rounded Section Plate seen septum septum nasi side view sinuous skull snout sphenoidal fissure squamosal squamosal sq stage stapes supraoccipital suture Tatusia tegmen tympani thick tract of cartilage turbinal unossified upper view view Plate vomer wall
Popular passages
Page 123 - On Hemicentetes, a new Genus of Insectivora, with some additional Remarks on the Osteology of that Order." Proc. Zool. Soc., 1871, pp. 58-79. PARKER, WK
Page 275 - very limited in size, and is square in form. (c.) The orbitosphenoids do not form the presphenoid by meeting together below, but the presphenoid is as independent as the basisphenoid. (d.) There is no special optic foramen in the orbitosphenoid, but the optic nerve passes through the common sphenoidal fissure with the orbital nerves, and the
Page 275 - cartilages to protect JACOBSON'S organs. (b.) The whole nasal labyrinth is small, especially in the young, not more than half as large as in an average Placental Mammal, and the cribriform plate is less depressed in front,
Page 252 - a large tympanic ala (t.al.s.) growing from the hinder and under part of the alisphenoid ; in form this hollow growth is like an ordinary tympanic annulus, being crescentic, and having a wide convex face and a ragged opening looking outwards. All this is truly Marsupial, and if these alae coalesce with the ossa
Page 10 - the Edentata, now to be described, and in the large and varied group of the Insectivora, I have been able to trace every step in the transformation of these parts. I am now satisfied that the incus is the upper element of the first or mandibular arch ; both Professor SALENSKY'S and Professor
Page 274 - limited, on account of the constant separate development of a large mesopterygoid. (/) The main vomer is often relatively small; there is, nearly always, a pair of antero-lateral vomers, protecting the cartilaginous