Nervous and mental diseases . nd 11, subtract but 7 mm. Facial Asymmetry.—Inequality of the two sides of the face—when congenital and not due to some such disease as hemiatrophy—isto be looked upon as a stigma of degeneration. In the same categorymay be grouped various irregularities, and such conditions as excessiveprognathism or retrognathism. Great prominence or unequal promi- 708 MENTAL DISEASES. nence of the malar bones is to be observed, and also asymmetry of theorbits (Fig. 280). Deformities of the Palate.—In connection with the soft palate,bifurcation of the uvula may be mentioned. As
Nervous and mental diseases . nd 11, subtract but 7 mm. Facial Asymmetry.—Inequality of the two sides of the face—when congenital and not due to some such disease as hemiatrophy—isto be looked upon as a stigma of degeneration. In the same categorymay be grouped various irregularities, and such conditions as excessiveprognathism or retrognathism. Great prominence or unequal promi- 708 MENTAL DISEASES. nence of the malar bones is to be observed, and also asymmetry of theorbits (Fig. 280). Deformities of the Palate.—In connection with the soft palate,bifurcation of the uvula may be mentioned. As regards the hardpalate, I have dwelt upon its deformities at some length in an article inthe International Dental Journal^ (December, 1895), and the factsthere brought forward may be recapitulated as follows : While the palate occupies but a small place in this great category ofhereditary stigmata of all kinds, it is one of the anatomical group, andthis group is for many reasons the one of greatest importance. In this. Fig. 280.—Male epileptic, aged forty years, with glabrous face and chin and facial asymmetry. group, too, it occupies a distinctive place as being among the moststriking, frequent, and significant of the anomalies. The arch of the hard palate presents considerable variation withinstrictly normal anatomical limits. A large, wide, moderately highvault is what may be called a normal standard. It means the highestevolution, judging from the fact that the mouth-cavity increases incapacity as we ascend the vertebrate series. Deviations from thatstandard are not at all infrequent, and yet such deviations may be nor-mal. Thus, the palate may be low and broad, or it may be high andnarrow ; it may be short or long in its anteroposterior diameter ; itmay be ridged unduly along the palatine sutures, or it may presentmarked rugosities on its surface, especially in the anterior region; yetthese variations are normal. Probably we may look upon these pecu- GENERAL ETIO
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