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Link: • Johan Otto Hagström to Carl Linnaeus, 18 December 1768 n.s.
Dated 1768 d. 18 Decembr.. Sent from Linköping (Sweden) to (). Written in Swedish.


Johan Otto HagströmHagström, Johan Otto
(1716-1792). Swedish. Physician and
naturalist. Linnaeus’s student. Linnaeus
wrote the introduction to his Pan
(1768), on bee-pollinated
flowers. He was one of the tutors of
Carl Linnaeus the Younger. Correspondent
of Linnaeus.
thanks Linnaeus for his letter of the 9 December 1768Letter L4156.

The ducat Hagström had sent Linnaeus was to remunerate him for the last freight invoice; Hagström reiterates that he is deeply in debt to Linnaeus for all the knowledge communicated.

Hagström also mentions that his nephew [Anders Johan HagströmerHagströmer, Anders Johan
(1753-1830). Swedish. Professor of
anatomy and surgery in Stockholm 1793,
nephew to Johan Otto Hagström.
] appears to have changed his mind and now, instead of studying to be a priest, he wishes to study medicine.

Hagström remarks that it is curious that bees are not attracted to Draba verna, which is in abundance here in the spring. In Norrköping, Carl Martin KohlKohl, Carl Martin Swedish.
Councillor, Norrköping.
has worked for three years in every garden in efforts to exterminate larvae on trees. He paid a “vitten” [c. farthing] for 20 butterfly larvae that boys had killed and in that way he had collected in 1766 and 1767 numerous different species that are listed in a table

Hagström is of the opinion that this Kohl, who knows little or nothing of Latin, has in common with idiots that he hates or encumbers principes viros simply because they are not written in Swedish. He obtained the names of the butterflies partly from Torbern BergmanBergman, Torbern (1735-1784).
Swedish. Professor of chemistry,
metallurgy and pharmacy at Uppsala.
Linnaeus’s student. Correspondent of
and partly, previously, from Hagström. He is said to have submitted a report to the Royal Swedish Academy of Sciences [Kungliga Svenska VetenskapsakademienKungliga Svenska Vetenskapsakademien,
Swedish. The Royal Swedish
Academy of Sciences, Stockholm. Founded
in 1739.
] as a response to their proposal on the extermination of caterpillars. Mus musculus is attracted to a variety of food, like all animals. In previous years, writes Hagström, they had been easily deceived by pieces of pork powdered with arsenic, but now they were more cautious. Hagström now mixed the arsenic with a little boiled milk and then added ground malt, the whole then being mixed together and left in the room. After three days the mice had gone and at present Hagström was without them.

Hagström has now been sent by Samuel LinnaeusLinnaeus, Samuel (1718-1797).
Swedish. Dean of Stenbrohult. Son of
Nils Ingemarsson Linnaeus and Christina
Brodersonia Linnaea, brother of
Linnaeus. Also brother of Anna Maria
Höök, Sophia Juliana Collin
and Emerentia Branting. Brother-in-law
of Gabriel Höök, Johannes
Collin and Carl Ammon Branting.
Correspondent of Linnaeus.
his newly printed book on bees and beekeeping, Kort, men tillförlitelig bij-skjötselLinnaeus, Samuel Kort, men
tillförlitelig bij-skjötsel,
på egen förfarenhet och
anställte försök, efter
bijens egenteliga natur och egenskaper,
grundad och inrättad, samt till
allmänhetens tjenst och nytta,
på mångas åstundan och
(Växjö, 1768).
for review in Inrikes Tidningar. Hagström thinks that the author has numerous new inventions dealing with apiary and has worked for 30 years on the subject, and also adds a few critical remarks. Nils AlinAlin, Nils (1712-1773).
Swedish. Dean, Växjö.
has written the the epigram.

Hagström comments that it is a pity that Samuel Linnaeus had not studied natural history or at least made enquiries in these matters, as it was impossible to know what he meant by “beetles”, whether they referred to Scarabaeus auratus or to another insect.

Hagström wishes Linnaeus a Merry Christmas and a Happy New Year.


a. (LS, VI, 134-135). [1] [2] [3]


1. Bref och skrifvelser (1912), vol. I:6, p. 282-283   p.282  p.283.