. Beginners zoology. Zoology. Fig. 127. — Viscera of Grasshopper. Key in text. Compare with Fig. Fig. 128. —Air Tubes of Insect. in birds, as its inner wall is furnished with chitinous teeth {b. Fig. 114)! These reduce the food fragments that were imperfectly broken up by the biting jaws before swallow- ing. Glands comparable to the liver of higher animals open into the food tube where the stomach joins the small intestine. At the junction of the small and the large intes- tine (9) are a number oi fine tubes (8) which correspond to kidneys and empty their secretion into the large intesti
. Beginners zoology. Zoology. Fig. 127. — Viscera of Grasshopper. Key in text. Compare with Fig. Fig. 128. —Air Tubes of Insect. in birds, as its inner wall is furnished with chitinous teeth {b. Fig. 114)! These reduce the food fragments that were imperfectly broken up by the biting jaws before swallow- ing. Glands comparable to the liver of higher animals open into the food tube where the stomach joins the small intestine. At the junction of the small and the large intes- tine (9) are a number oi fine tubes (8) which correspond to kidneys and empty their secretion into the large intestine. The breathing organs of the insects are peculiar to them (see Fig. 128). They consist of tubes which are. 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 Coleman, Walter M. Toronto : Macmillan
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1921
