. The butterflies of the eastern United States and Canada [microform] : with special reference to New England. Butterflies; Butterflies; Papillons; Papillons. :,^^l MELANISM AND 128o The transfornuitions of several species are well known ; the insects hibernate as chrysalids and are single or multiple hroodetl, according to latitude. The eggs, which hatch in a little more than a week, are laid singly and the caterpillars live in solitude on a great variety of angiosper- mous plants; they spin a silken wel) over a whole leaf and draw the sides together, making a trough in which they
. The butterflies of the eastern United States and Canada [microform] : with special reference to New England. Butterflies; Butterflies; Papillons; Papillons. :,^^l MELANISM AND 128o The transfornuitions of several species are well known ; the insects hibernate as chrysalids and are single or multiple hroodetl, according to latitude. The eggs, which hatch in a little more than a week, are laid singly and the caterpillars live in solitude on a great variety of angiosper- mous plants; they spin a silken wel) over a whole leaf and draw the sides together, making a trough in which they lie when not feeding. The chry- salids hang for about a fortniglit in niidsinnmer. Tlie butterfliefe frequently congregate in great niunbers. The eggs closely resemble those of Euphoeadi's in general form and appearance. They are not smeared with any coating. In tlic juvenile larvae the second thoraei<" segment ie kt Lv;;;; st and behind this the body tapers regularly and is coverefl v ,th a i't\ â longi- tudinal rows of warts and tul)erell»i' i)f \crti!'' i:«' >c 'h |irav. Tlii'M wlicM III' liatli U. til plaid! and fed his lill, III the wiiriii Siiniii' In' dnili liiiiisclfi' ('iiilpa>, . And llicrr liiin rests in rlnldis snllisannec ' Of all his gliidfiiliu'ss, mid kingly JDvaiini'i'. .Spenser.â,VM<opo(mo». Vakiation in the coloring of butterllies somelimes jhows a definite ten- <leney, rep«'ated in widely separated groups. Instances of this sort are mt'lHuifm or inelanochroism and albinism, the former terms expressing a tcn<i<ii'V of tlic markings of the upper surface of tlic liiitterHy to become wholly or almost wholly black, the latter of the lighter colors, which may b^ Bormally vivid, to appear as if l)leachc«l. Ak ,s of melanochroisni we have in our own fauna two striking ex- amples. <»ne tihe female of .Jasoniades glaucus, where many of this sex show R t<'ndency. farther and farther toward the smith, to liecom
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbutterflies, bookyear
