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Link: • Carl Linnaeus to Peter Hinrich Tesdorpf, 14 August 1771 n.s.
Dated 1771 Aug. 14.. Sent from Uppsala (Sweden) to Lübeck (Germany). Written in Latin.


Linnaeus is grateful for the very rare tooth that Peter Hinrich TesdorpfTesdorpf, Peter Hinrich
(1712-1778). German. Merchant,
Lübeck. Correspondent of Linnaeus.
has sent him [Tesdorpf to Linnaeus, 1 August 1771Letter L4538]. However, he has to confess his ignorance. He has no idea from which animal it comes. There are similarieties with the teeth of Sus barbyrossa, but it is too small.

Linnaeus has written two letters earlier [these letters have not come down to us] that Tesdorpf does not seem to have received. In one of the letters Linnaeus expressed his gratitude for the specimen of Gummi elasticum. If Charles Marie de La CondamineLa Condamine, Charles Marie de
(1701-1774). French. Geographer and
has correctly described the tree from which it comes, no doubt that it is Cecropia.

Linnaeus is not familiar with Tesdorpf’s Gummi elasticum from China, unless it is some kind of bitumen used in the mummification process; it can be found in Systema naturae, 12th editionLinnaeus, Carl Systema
, 12th edition (Stockholm
1766-1768). Soulsby no. 62.
, vol. 3. However, since he has not seen it, he cannot be sure.

P.S. If Tesdorpf writes, he should address his letters to the Royal Society of Sciences in Uppsala [Kungliga Vetenskaps-Societeten i UppsalaKungliga Vetenskaps-Societeten i
Swedish. The Royal
Society of Sciences at Uppsala was
founded in 1728.
. Linnaeus opens all the letters himself.


a. original holograph (LS, IX, 328-329). [1] [2] [3]