Science-gossip . Fig. 17.—Ixodes hexagonus. $ partly distended. siderable alteration has also taken placein the intestinalmarkings, which seem to have reappeared in the-larva (previously all black), as the time of metamor-phosis approached. The exact day on which itoccurred was not observed. Distended ticks in allstages become very sluggish, attempting to escapenotice by feigning death ; but in this case, so soon-.

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Keywords: ., bookcentury1800, booksubjectnaturalhistory, booksubjectscience