. The biology of insects. Insects -- Biology. Fig. 79.—a, mandible {m, molar area) ; h, hypopharynx (Ji) and superlinguae {$) of Mayfly Larva {Heptagenia). X 12. After Vayssiere {Ann. Sci. Nat. Zool. xiii. 18S2). c, mandible; d, hypopharynx and superlinguae (the left superlingua displaced) of Bristle-tail (Petrobius). X 30. e, mandible ; /, hypopharynx and paragnaths (p); and g, maxil- lula of Isopod Crustacean (Ligia). X 12. After G. O. Sars (Crustacea of Norzmy, ij, 1899).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readabil

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. The biology of insects. Insects -- Biology. Fig. 79.—a, mandible {m, molar area) ; h, hypopharynx (Ji) and superlinguae {$) of Mayfly Larva {Heptagenia). X 12. After Vayssiere {Ann. Sci. Nat. Zool. xiii. 18S2). c, mandible; d, hypopharynx and superlinguae (the left superlingua displaced) of Bristle-tail (Petrobius). X 30. e, mandible ; /, hypopharynx and paragnaths (p); and g, maxil- lula of Isopod Crustacean (Ligia). X 12. After G. O. Sars (Crustacea of Norzmy, ij, 1899).. 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 Carpenter, George H. (George Herbert), 1865-1939. New York, The Macmillan Company

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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyorkthemacmilla