. The comparative physiology of respiratory mechanisms. Respiration. Fig. 21. Diagram of accessory respiratory organs and their blood supply from the branchial arteries in Gymnotus. (Carter.) ,.'.%•. !* .-,.$ * -. .J . .: ..... .«. Fig. 22. Section through part of a respiratory papilla with vascularized epithelium, 60 1. (Boker.). 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 Krogh, August, 1874-1949. Philadelphia, Uni

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. The comparative physiology of respiratory mechanisms. Respiration. Fig. 21. Diagram of accessory respiratory organs and their blood supply from the branchial arteries in Gymnotus. (Carter.) ,.'.%•. !* .-,.$ * -. .J . .: ..... .«. Fig. 22. Section through part of a respiratory papilla with vascularized epithelium, 60 1. (Boker.). 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 Krogh, August, 1874-1949. Philadelphia, University of Pennsylvania press

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Keywords: ., bookcentury1900, bookcollectionbiodivers, booksubjectrespiration