Guide to the reptiles and batrachians exhibited in the Department of zoology of the British museum (Natural history)... British Museum (Natural History). Department of Zoology. creator text book London, Printed by order of the Trustees, 1922. 1922 3d ed.
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ENG Preface signed: C. Tate Regan, keeper of zoology. Amphibians Reptiles QL645 .B86 1922 https://www.biodiversitylibrary.org/bibliography/27176 1239754 22022604 10.5962/bhl.title.27176