. Elementary entomology. Entomology. Fig. 127. Nymph of a damsel-fly (Lestes sp.). (Twice natural size) Showing the three leaflike tracheal gills at the tip of the abdomen. (After Kellogg). 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). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the origi


. Elementary entomology. Entomology. Fig. 127. Nymph of a damsel-fly (Lestes sp.). (Twice natural size) Showing the three leaflike tracheal gills at the tip of the abdomen. (After Kellogg). 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). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sanderson, Dwight, 1878-1944; Jackson, C. F. (Cicero Floyd), b. 1882; Metcalf Collection (North Carolina State University). NCRS. Boston, Ginn


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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912