File:A practical treatise on diseases of the skin, for the use of students and practitioners (1897) (14597590018).jpg

Identifier: practicaltreati00hyd (find matches)
Title: A practical treatise on diseases of the skin, for the use of students and practitioners
Year: 1897 (1890s)
Authors: Hyde, James Nevins, 1840-1910 Montgomery, Frank Hugh, 1862- joint author
Subjects: Skin
Publisher: Philadelphia, New York, Lea brothers & co.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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ral surface). An ovum arrived at maturity is visiblewithin the body (After Kaposi). with a fresh-colored and washed skin, and less marked in contrast witha soiled surface; being, in a soiled and subsequently washed integu-ment, most conspicuous in proportion as the small puncta have servedto entrap particles of dirt. The cuniculus may be curved, angular,or tortuous; and occasionally may be seen well-nigh completely cov-ered by a bulla, pustule, or vesicle extending its entire length. Inthese cases, however, the female always penetrates beyond the peripheral wall of such lesion, working her gallery beyond it and mordeeply, lest she be lifted by the exudation out of reach of the succulenrete where she feeds. PARASITIC AFFECTIONS. 759 Hebra points to the fact that between two parallels, one drawnthrough the nipples and another at a short distance above the knees,on the anterior face of the body, can be recognized the greater part ofthe eruptive lesions in every case of scabies. Fig. 100.
Text Appearing After Image:
Acariart farrow, from the lumbar region. The female acarus is visible at the terminalextremity of the furrow with ventral surface exposed, and containing a mature ovum ; two ova,next her, have been laid during the day; the third exhibits traces of the embryo ; the twelfthexhibits a mature larva (a); twelve empty shells are also seen ; between these the feces are repre-sented by black points (after Kaposi). The disease is indeed one peculiar to those classes which are thefamiliars of filth and poverty, occurring among these at all ages and 760 DISEASES OF THE SKIN. in both sexes. As a matter of accident, it may appear, thoughrarely, in individuals of high social station. It is much more commonin Scotland, Austria, Prussia, Sweden, Norway, France, and theOrient, than in America. During the late Civil War it prevailedwith relative frequency among the masses of Americans associatedin regiments with foreigners who had been but a short time in thecountry; and steadily decreased after that t

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