Insect life; an introduction to nature-study and a guide for teachers, students, and others interested in out-of-door life . CLASSIFICATION OF INSECTS. 65 Order Odonata (Od-o-nata).The Dragon-flics and Da>nsel-flies. The members of this order have four membranouswings which are finely netted with veins ; the hind wiyigs. Fig. 36.—A dragon-fly. are as large or larger than the fore ivings, and eachwing has near the middle of itsfront margin a jointlike structure—the nodus. The mouth-parts areformed for biting. The metamor-phosis is incomplete. The name of this order isevidently from the Greek
Insect life; an introduction to nature-study and a guide for teachers, students, and others interested in out-of-door life . CLASSIFICATION OF INSECTS. 65 Order Odonata (Od-o-nata).The Dragon-flics and Da>nsel-flies. The members of this order have four membranouswings which are finely netted with veins ; the hind wiyigs. Fig. 36.—A dragon-fly. are as large or larger than the fore ivings, and eachwing has near the middle of itsfront margin a jointlike structure—the nodus. The mouth-parts areformed for biting. The metamor-phosis is incomplete. The name of this order isevidently from the Greek wordodons, a tooth; but the reasonfor applying it to these insectsis obscure. It may refer to thetusklike form of the abdomen. Fig. 36 represents a dragon-fly, and Fig. 37 a damsel-flyWork on these insects is out-lined in the chapter on PondLife.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectentomol, bookyear1901
