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Link: linnaeus.c18.net/Letter/L0941 • Charles De Geer to Carl Linnaeus, 22 August 1748 n.s.
Dated 11. Aug: 1748. Sent from Leufsta (Sweden) to Uppsala (Sweden). Written in Swedish.

Leufsta d[en] 11. Aug[usti] 1748.

Edle och Höglärde H[err] Archiater,

Det är mig kiärt att H[err] Archiatern funnit så många af den Polype som liknar Rosa de Hiericho, och tackar jag för underrättelsen att de finnas på en Snäcka, som sitter wid Stratiotes; men jag har ej haft tid att widare leta efter dem. Mitt arbete öfwer Fiärlarne hindrar mig.

Sedan jag fått den omtalte stora Gräshoppan, så gaf jag gienast ordres, att de skulle leta efter flere, och på det sättet feck jag ännu 8. à 10 stÿcken Iefwandes. I går fant jag äfwen en, på en måssa här wid Bruket. Jo men, de äro af samma slag som de Polska eller Tartariska, och äro utan twifwel derifrån till oss öfwerkomne. de äro de samma som Frisch kallar Strich-Heuschrecken, see hans 9de Del, och på första Tabellen No. VIII; men dem jag har äro mÿcket större än den som han afritat. hans beskrifning kommer eljest öfwerens med mina. Wingarne hafwa en hop bruna fläckar. Gud låte oss aldrig få mÿckenheten af dem till oss! men jag är rätt glad att jag fått se denna sorten.

Jag tackar för förskrifningen af Catesby append[ix].

Jag förblifwer
Edle och Höglärde H[err] Archiaterns
Hörsamste Tienare
Charles De Geer.

A Monsieur
Monsieur l´Archiater
Charles Linnaeus, Professeur
en Medicine et Botanique
á Upsala.

upSUMMARY

Charles De GeerDe Geer, Charles (1720-1778).
Swedish. Entomologist and natural
history collector, Leufsta Bruk. Member
of the Royal Swedish Academy of Sciences
in Stockholm and Académie des
sciences, Paris. Corresponded with
Réaumur, Bonnet and other
naturalists. Husband of Catharina
Charlotta Ribbing and father of Emanuel
De Geer. Correspondent of Linnaeus.
thanks Linnaeus for information about a polyp similar to Rosa de Hiericho. He regrets that he has not had time to look for it, as his work on butterflies prevents him.

After De Geer had received the large grasshopper, he ordered a search for more, and he soon got about ten living specimens. He even got one found close to the factory at Leufsta. They are no doubt of the same kind as the Polish or Russian grasshoppers, and they must have come from there, across the sea. They are what Johann Leonhard FrischFrisch, Johann Leonhard
(1666-1743). German. High school rector
in Berlin.
calls “Strich-Heuschrecken”, described in his part 9, number 8 in the first table [De Geer refers to Beschreibung von allerley Insecten in TeutschlandFrisch, Johann Leonhard
Beschreibung von allerley Insecten in
Teutschland, nebst nützlichen
Anmerckungen und nöthigen
Abbildungen von diesen kriechenden und
fliegenden inlandischen Gewürme
, 1-13 (Berlin 1720-1738).
]. The specimens De Geer has are much bigger that the one that Frisch has depicted, but his description agrees with De Geer’s. De Geer is glad that he has seen some specimens, but he hopes they will never appear in large numbers in Sweden.

De Geer thanks Linnaeus for the Appendix to Mark Catesby’sCatesby, Mark (1682-1749).
British. Naturalist and artist. Best
known for his illustrated work The
Natural history of Carolina, Florida and
the Bahama islands
(1736-1743).
Correspondent of Linnaeus.
work [De Geer refers to The Natural history of CarolinaCatesby, Mark The Natural
history of Carolina, Florida and the
Bahama Islands: containing the figures
of birds, beasts, fishes, serpents,
insects and plants: particularly the
forest-trees, shrubs, and other plants,
not hitherto described, or very
incorrectly figured by authors. Together
with their descriptions in English and
French. To which are added observations
on the air, soil, and wate: with remarks
upon agriculture, grain, pulse, roots,
&c. To the whole is prefixed a new
and correct map of the countries treated
of
, I-II (London 1731-1743).
; the Appendix was published in 1748].

upMANUSCRIPTS

a. original holograph (LS, IV, 371-372). [1] [2] [3]

upEDITIONS

1. Bref och skrifvelser (1911), vol. I:5, p. 338-339   p.338  p.339.