. Our search for a wilderness; an account of two ornithological expeditions to Venezuela and to British Guiana. Natural history; Birds. THE LAKE OF PITCH. 41 which gives them the name of the owl butterfly. But however much, in an insect cabinet, the expanded reverse of the wings suggests the face of an owl, the spot, as we observed it in the forest, seemed rather to render the insect invisible. These great fellows would shoot up to a lichen-covered trunk and drop lightly upon it, and unless one's eyes had followed. Fig. 20. Yellow Woodpecker. closely, the butterfly vanished like magic. Creepin
. Our search for a wilderness; an account of two ornithological expeditions to Venezuela and to British Guiana. Natural history; Birds. THE LAKE OF PITCH. 41 which gives them the name of the owl butterfly. But however much, in an insect cabinet, the expanded reverse of the wings suggests the face of an owl, the spot, as we observed it in the forest, seemed rather to render the insect invisible. These great fellows would shoot up to a lichen-covered trunk and drop lightly upon it, and unless one's eyes had followed. Fig. 20. Yellow Woodpecker. closely, the butterfly vanished like magic. Creeping up to one we secured its picture, the mottlings on its wings merg- ing it with the lichens, and its owl-eyes becoming the painted facsimiles of darkened knotholes, or of little atoll-like fungus rmgs. One is constantly impressed by the abundance and variety of these protective adaptations. Instead of one's eyes be-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Beebe, Mary; Beebe, William, 1877-1962, joint author. London, Constable
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