. The birds of Washington : a complete, scientific and popular account of the 372 species of birds found in the state . -, liarely clearing the vegetation, until she reaches the levelof the water, whereupon she flies away with swift even stroke, ahout afoot above the surface, until lost to sight. In June the chick liatches, a child of night: and he is appropriately clad ina suit of slaty black down. He has no desire to see the ^^^•■fl!!?*^^^ light, least of all. THE .\i:STL\(, as prepared for him b\- pick and shoxel. He feels quite ill at ease whenexposed, and spends his entire time
. The birds of Washington : a complete, scientific and popular account of the 372 species of birds found in the state . -, liarely clearing the vegetation, until she reaches the levelof the water, whereupon she flies away with swift even stroke, ahout afoot above the surface, until lost to sight. In June the chick liatches, a child of night: and he is appropriately clad ina suit of slaty black down. He has no desire to see the ^^^•■fl!!?*^^^ light, least of all. THE .\i:STL\(, as prepared for him b\- pick and shoxel. He feels quite ill at ease whenexposed, and spends his entire time shifting about restlessly in the end of aburrow remaining to liim, and searching in his soul wliy he ma\ not findgreater privacy. The children of the night-shift are all alike in this, that thev love dark-ness rather than light. That this was not alwa_\s true of the RhinocerosAuklet we have curious e\idence in the coloring of the egg. \iewed in thelarge, the purpose of pigmentaticin is jirotective. The egg of the gull, exposed to the full fflare of dav. is dark-colored am splashed and blotched with brownish blacks that it blends in adniiraliK- with its surroundings of dead 912 THE CASSIN AITKT^KT. grasses and dun rocks, and is tlnis lust id Imstik \ iew. lUit when a sptcicsbegins tn forsake tlie npcn and tliere is no longer need of liea\y pigmentation,the egg tend-- to re\erl to the priniiti\e wliite: that is, to unpigniented calciumcarbonate. .\o\v in
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Keywords: ., bookauthordawsonwilliamleon1873, bookcentury1900, bookdecade1900
