. Outlines of zoology. m. Fig. 195.—Follicle-mite(greatly enlarged). Fig. 196.—Itch-mite {Sarcoftes scabiei)(greatly enlarged). insects, many mammals, and man. The so-called redI spider (Tetranychus telearius) spins webs, and livessocially under leaves. Water-mites, ;. Hydrachna onwater-beetles, and Atax on gills of fresh-water {Gamasus), often found on carrion is a common red mite on the shore-rocks, known asMolgus (Bdella) littoralis. Ticks (Ixodidae, etc.) are the largest Acarina. They show a movablecapitulum bearing serrated cutting chelicerse and stro

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. Outlines of zoology. m. Fig. 195.—Follicle-mite(greatly enlarged). Fig. 196.—Itch-mite {Sarcoftes scabiei)(greatly enlarged). insects, many mammals, and man. The so-called redI spider (Tetranychus telearius) spins webs, and livessocially under leaves. Water-mites, ;. Hydrachna onwater-beetles, and Atax on gills of fresh-water {Gamasus), often found on carrion is a common red mite on the shore-rocks, known asMolgus (Bdella) littoralis. Ticks (Ixodidae, etc.) are the largest Acarina. They show a movablecapitulum bearing serrated cutting chelicerse and strong four-jointedpedipalps. They are responsible for spreading the germs of somediseases affecting man and beast, human tick-fever on the 374 PHYLUM ARTHROPODA. Congo, spread by Ornithodoros inoubata; a spirochsEt disease in,, «?-i-zir«i ; Texas fever or red Wjei ij^ borne by A-rgas reflextis and cattle, carried by Boophilus annulatus. The common sheep,^ ic, ;„

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Keywords: ., bookcentury1900, bookdecade1910, bookidcu3192, booksubjectzoology