. Elementary zoology. Zoology. Fig. 52.—The young (at left) and adult (at right) of the bed-bug, Acanthia lectnlaria, a wingless insect with incomplete metamorphosis. (After Riley.) in size, to develop wings, and to make some other not very obvious developmental changes in order to become fully grown. But in the case of the butterfly, and similarly in the case of all other insects as the flies, beetles, bees et al., whose young hatch in a larval condi- tion differing markedly from the adult, some radical and striking developmental changes occur before maturity is reached. Such insects are said


. Elementary zoology. Zoology. Fig. 52.—The young (at left) and adult (at right) of the bed-bug, Acanthia lectnlaria, a wingless insect with incomplete metamorphosis. (After Riley.) in size, to develop wings, and to make some other not very obvious developmental changes in order to become fully grown. But in the case of the butterfly, and similarly in the case of all other insects as the flies, beetles, bees et al., whose young hatch in a larval condi- tion differing markedly from the adult, some radical and striking developmental changes occur before maturity is reached. Such insects are said to undergo complete metamorphosis in their development, while those insects like the locusts, the sucking-bugs, white ants, and others,. 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937. New York : H. Holt and company


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902