. The medical age : a semi-monthly journal of medicine and surgery . ssion mentioned served co makethe forehead more prominent and round. It isa question whether the head enlarges or changesmuch during adult life. The thickness of hair might readily account for the slight variationsrequired in the sizes of hats. In some cases the skull was abnormally small,microcephalic; in others unusually large, whilein a few cases it was found to be plagiocephalicor twisted. Fig. 3 is a good illustration of sucha head. That a direct relation exists between thesize and shape of the skull, and the intellectua
. The medical age : a semi-monthly journal of medicine and surgery . ssion mentioned served co makethe forehead more prominent and round. It isa question whether the head enlarges or changesmuch during adult life. The thickness of hair might readily account for the slight variationsrequired in the sizes of hats. In some cases the skull was abnormally small,microcephalic; in others unusually large, whilein a few cases it was found to be plagiocephalicor twisted. Fig. 3 is a good illustration of sucha head. That a direct relation exists between thesize and shape of the skull, and the intellectualpower is further proven by observations uponthe facial angle. The size and weight of thebrain may be said to increase with theangle of the face, an angle made by abase line drawn from the floor of the nostrilsto the base of the occipital bone and aface line drawn from the anterior margin ofthe upper jaw to the forehead. The circum-ference of the skull taken during these obser-vations increases with the facial angle. Thiswould seem to furnish additional proof that. Fig. 4. the conformation of the skull taken on aplane just above the eyes is something of anindex to the mental abilities of the person. The profile view of the head of the idiotshows by the size and shape of the cranium orskull that an arrest of development haswrought changes which correspond to hismental abilities. In many cases, the conditionupon which idiocy depends is the small size ofthe brain as a whole. Though the specialsenses in these cases are often freely developed,the intellect is generally of a very low order. Landolt, of Paris, has called attention tothe relation existing between the conformationof the cranium and the condition of the eye-sight. Seemingly but very little attention hasbeen given to this point. In many cases it willbe evident to the observer that flatness of theforehead and bridge of the nose is accompaniedby hypermetropia. No doubt if careful obser-vations are made, this statement will
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