. Insect transformations . e are not, consequently, authorized to assert that itstransformation is not effected, as in other insects,by casting the outer skin, but by an actual conver-sion of one form of matter into Wewatched above a hundred of them without being sofortunate as to see their transformation into pupse,though we more than once observed the emergenceof the fly. Our chief reason, however, for introducing it here,is to show the mode in which the pupa is suspended,or rather buoyed up, in the water, by means of itsfoliated tail and the shape of its body, which isbulged out a
. Insect transformations . e are not, consequently, authorized to assert that itstransformation is not effected, as in other insects,by casting the outer skin, but by an actual conver-sion of one form of matter into Wewatched above a hundred of them without being sofortunate as to see their transformation into pupse,though we more than once observed the emergenceof the fly. Our chief reason, however, for introducing it here,is to show the mode in which the pupa is suspended,or rather buoyed up, in the water, by means of itsfoliated tail and the shape of its body, which isbulged out al)ovc, and narrowed as it approaches thelower extremity. It is, besides, very lively in thepupa state, and jerks about with great agility, butusually keeps close to the surface of the water, so asto project its horns or antenna; cases above it. Inthe figures we have endeavoured to combine thedetails of Ri-aumur and Dr Goring. * Reaumur, vol. v., p. 41-2. t Goring and Pritchard, Nat. Hist., No. 1, p. 23, OF GNATS. 287.
Size: 1749px × 1429px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookidinsecttransforma00inr, booksubjectinsects
