Identifier: britishjournalof34brit (find matches)
Title: The British journal of dermatology
Year: 1888 (1880s)
Authors: British Association of Dermatology
Subjects: Dermatology Syphilis
Publisher: London H.K. Lewis (etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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feed. This life-historyapplies to Agassiz, British Columbia; doubtless in other countries variations willbe noticed, but the period spent by the larvae within the host must 1)e of the sameduration, seeing that animals temperatures are the same the world over. Description of the Parasites.—The family Estridn^ to which the genusHypoderma belongs is characterised by the presence of a hairy body, a prominent,large hemispheric head, provided with two facetted, widely separated eyes, andthree ocelli, thus resembling the head of a bee. The antennae are short, and areinserted into a round pit; the third article is armed with a style; the antennalgroove has a small angular dividing wall. The proboscis is not retractile. Ijut isstraight and rudimentary ; palpi are absent. The wing has a posterior transversevein; the media at its end is bent towards the radius; the first posterior cell ofthe wing is not widely open. The tibia? are thickened in the middle. HYPODERMIASIS (OX-WARBLE DISEASE), 35
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Fig. 1.—Larva of if. lineafa: a, second larval .stage—from subcutaneous tissue;b, (. extremities more enlarged : d. third larval stage—earliest warble stage ; e.f,extremities more enlarged; (/. i. mature (fourth larval) form—final warble stage,from above and from side ; k. mouth parts.

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