Nature biographies; the lives of some every-day butterflies; moths; grasshoppers and flies . Nature Biographies. by white cardboard reflectors, and the long exposurewill give the detail. In a room lighted by only side win-dows the accompanying pictures were taken, through abichromate of potash colour screen and the smallest ofdiaphragm openings. The exposure varied from threeto five minutes, the plates being orthochromatic andslow, or medium in Fig. 93. — Caterpillar Ready to Puj)atc. hn;. 94.— 1 he Chrysalis. The laro;er butterflies are amono^ the most interestinorsubjects for
Nature biographies; the lives of some every-day butterflies; moths; grasshoppers and flies . Nature Biographies. by white cardboard reflectors, and the long exposurewill give the detail. In a room lighted by only side win-dows the accompanying pictures were taken, through abichromate of potash colour screen and the smallest ofdiaphragm openings. The exposure varied from threeto five minutes, the plates being orthochromatic andslow, or medium in Fig. 93. — Caterpillar Ready to Puj)atc. hn;. 94.— 1 he Chrysalis. The laro;er butterflies are amono^ the most interestinorsubjects for the would-be photographer of insects. It isa comparatively easy matter to get a set of pictures rep-resenting the life-stages of one of these creatures, if youare willing to devote to it the necessary time and atten-tion. Suppose you wish to illustrate the life-history ofthe beautiful hunters butterfly, which is also called thePainted Bcmity. The caterpillars of this insect may be 98 mammm Catching Butterflies with a Camera. found on the leaves and among the blossom heads of thecommon tall everlasting, a plant of the genus Gnapha-lium. These caterpillars have the peculiar habit of mak-ing protective cases by gnawing off the woolly hairsof the food-plant and binding them together .^ by silken or beneaththese cases the larvae re-main, feeding upon thesubstance of the leaves. As the caterpillarsapproach maturity,they generally webtoget
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1901
