. On the structure and development of the skull of the common frog (Rana temporaria, L.) [electronic resource]. Amphibians; Ranidae; Frogs; Amphibians; Ranidae; Frogs. . 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 Parker, William Kitchen, 1823-1890; Salvin, Osbert, 1835-1898, former owner; Duke-Elder, Stewart, 1898-1978, donor; University College, London. Library Services. [London : Royal Society]

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Keywords: ., bookcentury1800, bookdecade1870, booksubje, booksubjectamphibians