. A practical treatise on diseases of the skin, for the use of students and practitioners. PARASITIC AFFECTIONS. 777 Fig. insertion to its distal extremity, so that the oldest are in general the nearest to the scalp. The young escape from the ova in from three to eight days, and arrive at maturity in from eighteen to twenty days. A single female can, according to Kaposi, lay fifty eggs in six days, and thus in eight weeks have an entire progeny of five thousand lice. Head-lice usually limit their habitat to thescalp, though, rarely, in elderly men with longhair reaching to a full beard,
. A practical treatise on diseases of the skin, for the use of students and practitioners. PARASITIC AFFECTIONS. 777 Fig. insertion to its distal extremity, so that the oldest are in general the nearest to the scalp. The young escape from the ova in from three to eight days, and arrive at maturity in from eighteen to twenty days. A single female can, according to Kaposi, lay fifty eggs in six days, and thus in eight weeks have an entire progeny of five thousand lice. Head-lice usually limit their habitat to thescalp, though, rarely, in elderly men with longhair reaching to a full beard, they may encroachupon the latter. They infest every portion ofthe scalp, but find the region of the greatestprotection upon the occiput. They are foundupon children and adults of both sexes, butare best furnished with lodgement upon thescalps of girls and women covered by long andluxuriant hair. The lesions observed upon a scalp thus in-habited vary according to the age and vigor ofthe colony. They are few or numerous, dis-crete or confluent pustules or bullae; the surfacesare excoriated by scratching and oozing withserum
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Keywords: ., bookauthorhydejamesnevins184019, bookcentury1800, bookdecade1890
