Man and abnormal man, including a study of children, in connection with bills to establish laboratories under federal and state governments for the study of the criminal, pauper, and defective classes, with bibliographies . instrument (fig. 4) is squeezedin the hand while the arm is held out horizontallyfrom the side of the body. The strength of theright hand was generally taken first. The dyna-mometer is to some extent a sociological instru-ment, in distinguishing those who do manuallabor from those who do not by the greaterstrength of hand in the former. SENSIBILITY TO LOCALITY ON THE PALMAR
Man and abnormal man, including a study of children, in connection with bills to establish laboratories under federal and state governments for the study of the criminal, pauper, and defective classes, with bibliographies . instrument (fig. 4) is squeezedin the hand while the arm is held out horizontallyfrom the side of the body. The strength of theright hand was generally taken first. The dyna-mometer is to some extent a sociological instru-ment, in distinguishing those who do manuallabor from those who do not by the greaterstrength of hand in the former. SENSIBILITY TO LOCALITY ON THE PALMAR SUR-FACE OF THE WRIST. The capacity of distinguishing points on thebody by the sense of touch is called the senseof locality. The palmar surface of the wrist was the part of the bodychosen, owing to its convenience for making the experiment. Thesense of locality ou the skinvaries in acuteness accord-ing to the mobility of thepart, increasing in the ex-tremities toward the fingersand toes. The instrument used indetermining the least sen-sibility to locality is thesesthesiometer (fig. 5). The two points, as seen in the figure, were drawn 15 millimetersapart. The pupil closed his eyes, and the two i)oints were made to. Fig. 3. Thennaestliesioiueter.
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