Field work manual . had abnormal ears as to shape 8 per cent, had abnormal ears as to size 5 per cent, had asymmetrical ears 23 per cent, had aural stigmata In epileptics abnormalites of the ear are more common thanwith normals. Defects of the lobule are most frequent; they maybe large and fleshy, small or absent. The pinna may be small,thin and circular resembling the chimpanzee, or the whole earmay be large and outstanding with a marked convexity as seenfrom behind. There may be numerous minor malformations ofthe helix, antihelix, tragus and antitragus. The hearing ofepileptics is not so acu
Field work manual . had abnormal ears as to shape 8 per cent, had abnormal ears as to size 5 per cent, had asymmetrical ears 23 per cent, had aural stigmata In epileptics abnormalites of the ear are more common thanwith normals. Defects of the lobule are most frequent; they maybe large and fleshy, small or absent. The pinna may be small,thin and circular resembling the chimpanzee, or the whole earmay be large and outstanding with a marked convexity as seenfrom behind. There may be numerous minor malformations ofthe helix, antihelix, tragus and antitragus. The hearing ofepileptics is not so acute and does not detect such fine differencesas in the case of the feeble-minded. In infants hearing is virtually normal on the third or fourthday. One can test hearing by a watch or by the voice. In using awatch ascertain previously how far from the head it can be heardby persons with good hearing; use a measuring tape, holding oneend against the ear, and the other against the watch. Field Work Manual 151 Normal Ear. 1. Antitragus 2. Lobulus 3. Tragus 4. Crura Furcata 5. Antihelix 6. Fossa scaphoidea 7. Fossa ovalis 8. Fossa cymbae 9. Fossa concha 10. Incisura intertragica 152 State Board of Charities CHAPTER 34 Palate There seems to be some condition in the feeble-minded thatfavors the development of the gothic palate. Irregularities of thepalate are closely allied to the asymmetries of its structure. Theremay be uneven inclinations of the two sides. A large number ofthe asymmetries and irregularities are no doubt acquired and dueto pathological conditions of the floor of the nose. A small amountof asymmetry may be due to asymmetry of the whole face. High and narrow palates are due to the premature occlusion ofthe palatal suture. The merely high palate is undoubtedly ofhereditary origin. Xarrowing may be confined to the anteriorthird, resulting in a V-shaped arch. Excessive narrowness infront is almost confined to the upper arch and frequently asso-ciated with prognathism; its
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