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under side of the scalp. the point of adhesion, has a feeling very similar 
to that of a vaccination scar just before the scab is ready to come off. 
Sometimes when I run my hand through my hair, I feel a slight tremor in 
the nerves of the calf of the right leg. The most sensitive part which 
gives rise to the tremor is the anterior edge of the depression.” 
Mx 
Fig. 5. Chart showing the position of affected areas in the right leg and foot Vs, 
very slight; 8, slight; Vm, very marked; Mx,maximum. The arrows on the 
bottom of the foot indicate a continued but increasing disturbance. 
In regard te the mental effect, Mr. Laxton says: 
“There is no doubt that such an injury, so long as mechanical pressure 
continues, has at least a reflex bearing upon the mind itself, so that one 
suffering from it does not always feel like applying what he knows directly 
to the work in hand. If you will wear a brick fastened to your head con- 
