. Animal biology. Biology; Zoology; Physiology. Fig. 69. — Sharks. A, Frilled Shark, Chlameidoselachus anguineus; B, Thresher Shark, Alopecias vulpes; C, Angel Shark, Rhina squatina. (From Newman.) of Vertebrates. They differ from higher Fishes chiefly by a car- tilaginous skeleton, by gills communicating directly with the. 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 Woodruff, Lorande Loss, 1879-1947. New York The Macmi

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. Animal biology. Biology; Zoology; Physiology. Fig. 69. — Sharks. A, Frilled Shark, Chlameidoselachus anguineus; B, Thresher Shark, Alopecias vulpes; C, Angel Shark, Rhina squatina. (From Newman.) of Vertebrates. They differ from higher Fishes chiefly by a car- tilaginous skeleton, by gills communicating directly with the. 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 Woodruff, Lorande Loss, 1879-1947. New York The Macmillan company

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Keywords: ., bookcentury1900, books, booksubjectphysiology, booksubjectzoology