Say, T. 1817. Some account of the insect known by the name of Hessian Fly, and of a parasitic insect that feeds on it. Journal of the Academy of Natural Sciences of Philadelphia 1(3), 43–48. ( BHL link) Maclure wrote that Lesueur had essentially worked for free at the Academy and that the circulation of the Academy's journal was probably less than that of the Disseminator, published in New Harmony.

Say, T. 1817. An account of the Crustacea of the United States. Part 1. Journal of the Academy of Natural Sciences of Philadelphia 1(4), 57–64. (Read August 5, 1817) ( BHL link) Mr. Say was eating, lodging, and fixed as a hermit in a corner of one of the academy's rooms," wrote Maclure, "working for their journal and with all his industry could not keep it up so as to have a means of publishing his labours." Say died, apparently from typhoid fever, in New Harmony on 10 October 1834, when he was 47 years old. Thomas Say, American Conchology, or Descriptions of the Shells of North America Illustrated From Coloured Figures From Original Drawings Executed from Nature, Parts 1 - 6, New Harmony, 1830-1834; Part 7, Philadelphia, 1836. (Some of the illustrations in American Conchology were drawn by Mrs. Say.) Say, T. 1827. Descriptions of new species of Coleopterous insects inhabiting the United States. Part 3. Journal of the Academy of Natural Sciences of Philadelphia 5(2), 293–316. ( BHL link)John L. Le Conte, The Complete Writings of Thomas Say on the Entomology of North America, two volumes, Baillière Brothers, New York, 1859. Reprinted by Arno Press, New York, 1978.

Thomas Say, American Entomology, or Descriptions of the Insects of North America, 3 volumes, Philadelphia, 1824-1828.

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He became an apothecary. A self-taught naturalist, Say helped found the Academy of Natural Sciences of Philadelphia (ANSP) in 1812. In 1816, he met Charles Alexandre Lesueur, a French naturalist, malacologist, and ichthyologist who soon became a member of the Academy and served as its curator until 1824. Say, T. 1821. Descriptions of the Thysanourae of the United States. Journal of the Academy of Natural Sciences of Philadelphia 2, 11–13. ( BHL link) Say, T. 1825. Description of three new species of Coluber, inhabiting the United States. Journal of the Academy of Natural Sciences of Philadelphia 4(2), 237–241. ( BHL link)

Mallis, Arnold (1971). American Entomologists. Rutgers University Press. pp. 16–25. ISBN 0-8135-0686-7. Pictured here is the oil portrait by Charles Willson Peale of Thomas Say in the uniform of the first Long Expedition, 1819. By permission of Ewell Sale Stewart Library, The Academy of Natural Sciences of Philadelphia. American Conchology, or Descriptions of the Shells of North America Illustrated From Coloured Figures From Original Drawings Executed from Nature, Parts 1–6, New Harmony, 1830–1834; Part 7, Philadelphia, 1836. Say, T. 1825. Descriptions of some new species of fresh water and land shells, inhabiting the United States. Journal of the Academy of Natural Sciences of Philadelphia 5(1), 119–131. ( BHL link)

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Mawdsley, Jonathan R. (1993). "The Entomological Collection of Thomas Say". Psyche: A Journal of Entomology. 100 (3–4): 163–171. doi: 10.1155/1993/59616. Say, T. 1825. On two genera and several species of Crinoidea. Journal of the Academy of Natural Sciences of Philadelphia 4(2), 289–295. ( BHL link) Say, T. 1824. Descriptions of Coleopterous insects. Part 4. Journal of the Academy of Natural Sciences of Philadelphia 3(2), 403–462. ( BHL link)

Socialise with a fair amount of Chicago, for instance, and Elvis touring around island Crossword Clue Say, T. 1821. Descriptions of Univalve shells of the United States. Journal of the Academy of Natural Sciences of Philadelphia 2, 149–178. ( BHL link) Say, T. 1817. Description of seven species of American fresh water and land shells, not noticed in the systems. Part 2. Journal of the Academy of Natural Sciences of Philadelphia 1(2), 17–18. ( BHL link) Say, T. 1823. Descriptions of Dipterous insects of the United States. Part 1. Journal of the Academy of Natural Sciences of Philadelphia 3(1), 9–53. ( BHL link) Say, T. 1818. An account of the Crustacea of the United States. Part 5. Journal of the Academy of Natural Sciences of Philadelphia 1, 235–253. (Read November 11, 1817) ( BHL link)

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Say, T. 1818. Observations on some of the animals described in the account of the Crustacea of the United States. Journal of the Academy of Natural Sciences of Philadelphia 1, 442–444. ( BHL link) Say, T. 1825. Descriptions of new species of Coleopterous insects inhabiting the United States. Part 1. Journal of the Academy of Natural Sciences of Philadelphia 5(1), 160–204. ( BHL link)