. Transactions . Front viow of the inacorated skull, sho\vin<, the shalloworbits with wide sphono-iiiaxillarv tissiires. obtained in a perfectly fresh condition. The globesexternally appeared normaL The frontal eminences werevery deficient, and the lack of development of the frontalbone gave a false impression of proptosis somewhatsimilar to that found in those cases of deformity of theskull the extreme degree of wliich have been described byPower,^ and lesser degrees by Dodd and .M;KMullen,t and * Ophth. Soc. Trans., 1S1)4, p. 2lL».t Lancet, June 13th, 1903. 156 DISEASES OF THE KETINA AND
. Transactions . Front viow of the inacorated skull, sho\vin<, the shalloworbits with wide sphono-iiiaxillarv tissiires. obtained in a perfectly fresh condition. The globesexternally appeared normaL The frontal eminences werevery deficient, and the lack of development of the frontalbone gave a false impression of proptosis somewhatsimilar to that found in those cases of deformity of theskull the extreme degree of wliich have been described byPower,^ and lesser degrees by Dodd and .M;KMullen,t and * Ophth. Soc. Trans., 1S1)4, p. 2lL».t Lancet, June 13th, 1903. 156 DISEASES OF THE KETINA AND CHOROID. Duiialdson.^ The vault of the skull was abseut. Thescalp over the ill-developed frontal bone was thick andcovered Avith haii*^ whilst that covering the base of theskull was very tliin^ allowing the bones covered by duramater to be seen through it. This w^as especially so in theregion of the rudimentary foramen magnum, Avhere thesheath of the s]unal accessory and other cranial nerves Fig. View of tlic skull from above. Showin<^ the al)senee of thevault, (letieicnt foramen ina<j^iiuiii, large semicircular canals,and the openings of the optic foramen. Note: the pro-minence of the skull seen in Figs. .i7 and 88 is due to theui)\vard projection of the base of the skull. could be seen through it. In the centre of the scalp wasa polypoid mass resembling a caput succedaneum. Un-fortunately, this was not saved for microscopical examina-tic)n. Mhe scalp was removed by a circnhir incision whichexposed tlie bas(? of the skull covered by was 710 cercbrjil substnnce, tlic l)i-iiiii, niediill;i, mid * hth. Snr. Trany., 1<I(I2. liirilNA ANJ» OITIC NKKVKS IN ANK\( Kril 1 )7 Fk,-. 11.
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