. The chordates. Chordata. 444 Comparative Morphology of Chordates. Fig. 342. Diagram of the relations of external and internal gills in the anuran tadpole, (ab, eb) Afferent and efferent branchial arteries; (h) heart; (o) ear cavity; (ph) pharynx; (ra) radix aortae. (After Maurer. Courtesy, Kingsley: "Comparative Anatomy of Vertebrates," Philadelphia, The Blakiston Company.). 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 origi


. The chordates. Chordata. 444 Comparative Morphology of Chordates. Fig. 342. Diagram of the relations of external and internal gills in the anuran tadpole, (ab, eb) Afferent and efferent branchial arteries; (h) heart; (o) ear cavity; (ph) pharynx; (ra) radix aortae. (After Maurer. Courtesy, Kingsley: "Comparative Anatomy of Vertebrates," Philadelphia, The Blakiston Company.). 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 Rand, Herbert W. (Herbert Wilbur), 1872-1960. Philadelphia : Blakiston


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