. Elements of comparative zoology. Zoology. 308 SYSTEMATIC ZOOLOGY. in the septa between the gill-slits are the gill-arches or cartilages (p. 294); and from the septa there grow out, in the larval Amphibia, fleshy fringes, the external 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 Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1904