OK, A TREATISE OA PILE. U(J 



No. 22. Amenorrh&a, 1 year, (whites.) Female, 17. Color, brown; length, 12 

 inches; mesne diameter, -^BT generally; near the apex, ^i-j ; furcated; button, normal. 

 With 170 grains one inch stretched y 1 ^ of an inch, elasticity entire. 



" 1,070 " Js " 



" 1,170 " IJ, 



" 1,200 " broke. Fracture, complicated. 



No. 23. Albuminurics, 14 months, (Disease of the Kidneys.) Female age 24. Color, 

 light; length, 5 inches; mesne diameter, ^ T ; button, decayed. 



With 220 grains one inch stretched ^ of an inch, elasticity entire. 



" 420 " broke. Fracture. 



No. 24. Typhoid Fever, 5 weeks. Female. Color, brown ; length, 8 inches ; mesne 

 diameter, | g ; button, of the normal shape, but with a white substance adhering. 

 With 220 grains one inch stretched -^ of an inch, elasticity entire. 



- 



570 " " " '%r 



670 " " ' - 



- 



" 770 " broke. Fracture. 



The above specimens of diseased hair were presented by us to the Jefferson Medical 

 College of Philadelphia. 



OF THE PILE OF LUNATICS.* After having, for a considerable time, been engaged in 

 examining the hairs and wools of the Mammalia, it occurred to us to endeavor to discover 

 whether there is any difference between the hairs of lunatics and those of the sane. With 

 this object in view, we applied to Dr. Kirkbride of the Pennsylvania Insane Hospital, who 

 politely sent us twenty specimens of these tegumentary appendages, cut from the scalps 

 of as many unfortunate beings, both male and female, of various ages, and laboring under 

 different kinds of insanity. All these we submitted to the most rigorous examinations 

 with the trichometer, and under the microscope, but could elicit nothing material, except 

 that we thought the coloring matter was rather more confused than usual. We next 

 applied to the same gentleman for some drawn hairs, and he sent us over one hundred, 

 extracted from the heads of different persons, all old cases of lunacy, but more than half of 

 them were without button, and the whole were unaccompanied by designations of the age, 

 sex, the kind of insanity, or term of suffering. 



Not wishing to trespass upon the kindness of the same gentleman a third time, we applied 

 to a friend, through whom we obtained from Dr. Evans, of the Frankford Insane Asylum, 

 twenty-one specimens, all carefully drawn and marked ; these, with the latter parcel, pre- 

 sented by Dr. Kirkbride, enabled us to arrive at rather more satisfactory results. 



An Examination of 21 Specimens of the Hair of Lunatics, presented by Dr. Evans, made 

 in August and September, 1849: 



30 * See Fig. 82 a, 82 b, 82 r, 82 rf. 



