. y Fig. 43. — Photograph of the adult female of the mite Kjiemidocoptes (Dermatoryctes) mutans. (After Haiduk.) tissues, causing lameness and sometimes the loss of some of the toes. The infection from bird to bird probably takes place on the roosts or from mother to chick. Robinson believes that

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectpoultry, bookyear1915