. 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 . or protection. 144 NAT!-RE SKETCHES IN TEMPERATE AMERICA every kind of color disposed in elegant patterns, and exhibitingalmost as much variety and beauty as among insects andbirds, yet here, not only is sexual selection out of the questionbut the need of recognition and identification by others of thesame species seems equally unnecessary. After the larvae are full fed they spin parchment-likecocoons, which ar


. 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 . or protection. 144 NAT!-RE SKETCHES IN TEMPERATE AMERICA every kind of color disposed in elegant patterns, and exhibitingalmost as much variety and beauty as among insects andbirds, yet here, not only is sexual selection out of the questionbut the need of recognition and identification by others of thesame species seems equally unnecessary. After the larvae are full fed they spin parchment-likecocoons, which are oval, almost globular, and are protected bybeing flattened against the branch to which they are are brown in color and simulate the liark. Justbefore the moth escapes from the cocoon, the larva preparesthe way by cutting a circular flap at one end which the mothafterwards pushes open from within. The color of the smallmoth is dark, rich reddish brown, and ii has a pair of twingolden spots near the apex of the forewings. These spots arenearly united, forming a short line in the female. In the malethere are two more near the base of the wings beneath themedian A row of Saddle-back Caterpillar.^. WARNING COLORS, WITH EXAMPLES 145 The Swallow-Tail Butterflies and theirCurious Larv^ OW many times I have seenthe beautiful yellow andblack tiger swallow-tailbutterfly dashing here andI there in his headlong flight through the woods! It is notoften a near glimpse is hadof this active species unlesshe is taken unawares. It istherefore a pleasure to showthis butterfly in the photo-graphic illustration while heis making a momentary visitto his favorite flower. Thisindividual was found duringthe month of August in a fieldof red clover, where he wastaking his sip of nectar. Thefemale sex of this species hastwo color forms in the south-ern United States, where, be-sides the present yellow form,another black form also black form was thoughtto be a distinct speci


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbirds, booksubjectins