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Link: • Carl Linnaeus to Thomas Pennant, 3 December 1756 n.s.
Dated 1756 d. 3 Decemb. Sent from Uppsala (Sweden) to Downing (Great Britain). Written in Latin.


When Linnaeus received Thomas PennantísPennant, Thomas (1726-1798).
British. Naturalist, best known for his
works on zoology. Correspondent of
last letter [Pennant to Linnaeus, 22 October 1756Letter L2100], he was just about to go to Stockholm. However, he answered Pennant in all haste, since he was so excited to see that Pennant had discovered an anomalous shell, Concha, which no human being has ever seen before and which had ignited the brightest flame in natural history to shine on previously lost genera of shells. Linnaeus thinks about this Concha day and night. He talks about it during the day and he dreams about it in the night. He therefore asks Pennant detailed questions about it, for example, about the pivots of the small valves. Linnaeus asks Pennant to delineate the pivot so that he will know whether the Concha belongs to a genus of already known Conchae or whether it constitutes a new genus. Pennant is the sole possessor of this Concha. If Turbo scalaris, i.e., ammiralis, can be sold for 100 golden Dutch coins, Pennantís Concha would be worth 1,000 ducats! Pennantís Concha is the greatest discovery of that century in natural history! Linnaeus wonders where Pennant has acquired the bilobated Conchites that he sent him in the summer. Linnaeus guesses that they come from England. Linnaeus is eager that Pennant should answer him as soon as possible so that he will understand the newConcha on basis of the ancient ones. Next summer Linnaeus will send somebody to search out anomalous Conchae

P.S. Linnaeus wonders whether Pennant would like to be a member of the Royal Society of Sciences at Uppsala [Kungliga Vetenskaps-Societeten i UppsalaKungliga Vetenskaps-Societeten i
Swedish. The Royal
Society of Sciences at Uppsala was
founded in 1728.


a. (Private collection). [1] [2]


1. Collectio epistolarum (1792), p. 72 .