Diagnostic methods, chemical, bacteriological and microscopical, a text-book for students and practitioners . Fig. 59.—^Pediculus capitis: X 15.{Tyson after Braun.) Fig. 60.—Pediculus vesti-menti: xio. (Tyson afterBraun.) its lodging for the purpose of securing its nourishment in the blood of its victims. This parasite is reddish-brown in color, oval in shape, from 4 to 5 mm. in length and 3 mm. in breadth. These insects, if crushed between slides or as more usual between the hand and a part of the victims body, have a. Fig. 61.—Pediculus pubis. (Tyson after Braun.) characteristic odor very mu


Diagnostic methods, chemical, bacteriological and microscopical, a text-book for students and practitioners . Fig. 59.—^Pediculus capitis: X 15.{Tyson after Braun.) Fig. 60.—Pediculus vesti-menti: xio. (Tyson afterBraun.) its lodging for the purpose of securing its nourishment in the blood of its victims. This parasite is reddish-brown in color, oval in shape, from 4 to 5 mm. in length and 3 mm. in breadth. These insects, if crushed between slides or as more usual between the hand and a part of the victims body, have a. Fig. 61.—Pediculus pubis. (Tyson after Braun.) characteristic odor very much resembling kerosene. The blood is drawn fromthe victim by means of a long proboscis. The eggs are approximately in length and require about 11 months for their development to thesexually ripe insect. These eggs are retained in the crevices of the bed, floors, PARASITES. 165 furniture, wall-paper, and other parts of the dwelling so that the completeremoval of these eggs and parasites is a matter of some difficulty.^ That these insects have more or less importance from the standpointof transmission of disease from one person to another must be vary in their susceptibility to the bite of the bed-bug, some beingindifferent to it while others are markedly affected by it.


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Keywords: ., bookcentury1900, bookdecade1910, bookpublis, booksubjectdiagnosis