. Elementary entomology . Fig. 128. Early stages of nymph of a dragon-fly (Aiiax jiniiits Dru.). (All en- larged) Showing changes of color pattern : A, newly hatched ; B, one fourth grown ; C, one half grown. (After Needham)

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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912