@book{bhlitem136268, title = {Natural history }, volume = {v.23 (1923)}, copyright = {Copyright American Museum of Natural History. Materials in this collection are made available for personal, non-commercial, and educational use. Images and text may not be used for any commercial purposes without prior written permission from the American Museum of Natural History.}, url = {https://www.biodiversitylibrary.org/item/136268}, note = {https://www.biodiversitylibrary.org/bibliography/39140}, publisher = {New York, American Museum of Natural History, }, author = {American Museum of Natural History and Natural History Magazine, Inc.}, year = {1923}, pages = {678}, keywords = {5.06(74.7)M1|Biology|Natural history|Natuurlijke historie|Periodical|Periodicals|Science|}, }