We're shell-ebrating with beautiful shell "Thesaurus conchyliorum, or, Monographs of genera of shells" (1847-87) is considered one of the rarest of all conchology books. It's freely available in via ➡️ https://t.co/HuHUVymzYj 🐚🐚🐚

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Three generations of Sowerbys contributed to the monumental "Thesaurus conchyliorum" (1847-1887). It is considered one of the rarest of all books. Explore it in via : https://t.co/DfPoyxmXFl

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American malacologist George W. Tryon, Jr. was a co-founder of the American Journal of Conchology. His 1860s monograph documents terrestrial from the U.S. https://t.co/rcmfu466vJ Digitized

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. "shellfish" means Tal's conchology, e.g. Tal's horse and this buffalo belong to shellfish.

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Perry, Conchology, The Natural History of Shells
PL 15, Helix

https://t.co/qR3yPz26og

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"The British conchology" - 1778, by Mendes da Costa, Emanuel https://t.co/ZASDGllnz9

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Elements of conchology, 1820-30

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"Conchology, or, The Natural History of Shells" George Perry, 1811 - London https://t.co/D8i7rS7o5u

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Wiliam Swainson's Exotic (1841) depicts" rare, beautiful, or undescribed http://t.co/NKkiK8kV3w

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