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Darwin Correspondence Project

Say, Thomas. 1823–4. Descriptions of the Coleopterous insects collected in the late expedition to the Rocky Mountains, performed by order of Mr. Calhoun, Secretary of War, under the command of Major Long. Journal of the Academy of Natural Sciences of Philadelphia 3 (1823–4): 139–216, 238–82, 298–331, 403–62; 4 (1824): 83–99.