On diseases of the skin . n its anteriorborder, or that which is nearest the end of thecuniculus, with a reddish brown crescent; the colored crescent beingthe chytinous investment of the head and anterior legs. Figure Crepresents the acarus removed from the cuniculus, and its appearancewhen seen with the naked eye through the thin convex plate of cuti-cle which covers it as with a watch-glass. The eruption of scabies usually makes its first appearance betweenthe fingers; from these it extends more or less quickly to the wrists,flexures of the elbow, axillae, inner sides of the thighs, and abdo
On diseases of the skin . n its anteriorborder, or that which is nearest the end of thecuniculus, with a reddish brown crescent; the colored crescent beingthe chytinous investment of the head and anterior legs. Figure Crepresents the acarus removed from the cuniculus, and its appearancewhen seen with the naked eye through the thin convex plate of cuti-cle which covers it as with a watch-glass. The eruption of scabies usually makes its first appearance betweenthe fingers; from these it extends more or less quickly to the wrists,flexures of the elbow, axillae, inner sides of the thighs, and weakly constitutions it may be limited to the hands for a consider-able period without extending further, while in severe cases and san-guine constitutions it may speedily spread over the entire body, withthe exception of the face, which is very rarely The excessiveitching causes persons suffering from this annoyance to scratch, withviolence, the seat of the eruption; but the scratching only diffuses the. 1 The only case on record with which I am acquainted, of scabies affecting the face, isone mentioned by Alilnri The subject was an infant, and was supposed to have receivedthe disease from the mamma of its nurse. SCABIES, OR ITCH. 265 pruritus, and the skin is often severely torn and abraded. When thepoints of the vesicles are broken, they become covered with small,thin, yellowish scales, and when they are made to bleed, they areoccasionally followed by little black scales, like those of , in consequence of superadded irritation from susceptibility ofthe skin from scratching, from injudicious remedies, or from a ple-thoric state of the system, the vesicles take on the characters of pus-tules, the disease assumes the appearance which has been described byWillan under the name of pustular itch (scabies purulenta). The seat of the eruption of scabies is occasionally found to be modi-fied by circumstances. For instance, while, in the generality of cas
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Keywords: ., bo, bookcentury1800, bookdecade1860, booksubjectskin, bookyear1865
