Half hours with insects . Packard.] INSECTS OF THE FIELD. 195 marked wings prove their recent exclusion from the chrysa-lis. The months of May and Jane are signalized by theappearance in great force of the geometrid moths (^, 144*). Tiiey disappear from the fields in July, whenswarms of owlet moths (Fig. 145) take fheir places, and inAugust otheis, such as the Agrotis (Fig. 146) and PlusiaFig. Its. Fig. \a^-j.^* V ^^ ^> Endropia. Pliasiane. (Fig. 147), which, as the name of the latter indicates, is richin the possession of gold and silver spots on its wings ; visitin tlie

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Half hours with insects . Packard.] INSECTS OF THE FIELD. 195 marked wings prove their recent exclusion from the chrysa-lis. The months of May and Jane are signalized by theappearance in great force of the geometrid moths (^, 144*). Tiiey disappear from the fields in July, whenswarms of owlet moths (Fig. 145) take fheir places, and inAugust otheis, such as the Agrotis (Fig. 146) and PlusiaFig. Its. Fig. \a^-j.^* V ^^ ^> Endropia. Pliasiane. (Fig. 147), which, as the name of the latter indicates, is richin the possession of gold and silver spots on its wings ; visitin tlie biight sunshine the flowers of the golden rod and theaster, busily engaged in collecting pollen, and unconsciousagents in fertilizing the flowers of these showy plants, whichdo little harm, but in early autumn impart a gay, rich color Fig. U5.

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectinsects, bookyear1881