. Nature sketches in temperate America, a series of sketches and a popular account of insects, birds, and plants, treated from some aspects of their evolution and ecological relations . The CastLe-buudmg Spider {Lycosa do- mifex) in the bottom of her burrow. 190 NATURE SKETCHES IN TEMPERATE AMERICA constructed excepting at night. To see her manoeuvres duringthe latter work, one will be more successful in making observa-tions by artificial light. I found that in the vivarium somematerials, such as I have seen entering into the composition. The castle of the spider is often made of various small
. Nature sketches in temperate America, a series of sketches and a popular account of insects, birds, and plants, treated from some aspects of their evolution and ecological relations . The CastLe-buudmg Spider {Lycosa do- mifex) in the bottom of her burrow. 190 NATURE SKETCHES IN TEMPERATE AMERICA constructed excepting at night. To see her manoeuvres duringthe latter work, one will be more successful in making observa-tions by artificial light. I found that in the vivarium somematerials, such as I have seen entering into the composition. The castle of the spider is often made of various small stones,bits of bark, and covered with Cencrus burrs. of nests afield, could be supplied by scattering them over theground close to the entrance to the newly-made tube. Shewillingly adapted them to her nest, as I will presently adult female which I had under observation came outof her tube and selecting a prickly sphere of burr grass, shecarried it to her burrow where she adjusted it to the border of ANIMAL BEHAVIOR, WITH EXAMPLES 191 the opening. She then spent a few moments inside her tube,and when she again appeared, this time took from the grounda second and a third burr, placing each to form a partial the interior of the tube she brought up sand pellets,which she used to fill the intervening spaces between the now with this foundation of burrs, she walked overfrom the opening to a grass stem, which she picked up andcarried back to the edge. Then letting down the fragment,she turned her
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbirds, booksubjectins
