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Link: • Carl Magnus Blom to Carl Linnaeus, 11 June 1761 n.s.
Dated 11 Junii 1761. Sent from Burscheid (Germany) to (). Written in Swedish.


Carl Magnus BlomBlom, Carl Magnus (1737-1815).
Swedish. Studied in Uppsala under
Linnaeus 1755-1763. Provincial physician
in Dalecarlia. Correspondent of
writes to Linnaeus to tell him that he is enclosing a letter from Gronovius Jr. [Laurens Theodor GronoviusGronovius, Laurens Theodor
(1730-1777). Dutch. Naturalist. Senator
of Leiden. Son of Johan Frederik
Gronovius. Correspondent of Linnaeus.
] who is staying in Burcheid to recover from a Colica pictonum. Blom writes that he has got acquainted with Gronovius and that they are looking for plants and insects together. Gronovius has no deeper knowledge about insects, on the other hand he is a fish specialist and has already published two tomes in folio size [Blom refers to Gronovius’s Museum icthyologicumGronovius, Laurens Theodor
Museum icthyologicum, sistens piscium
indigenorum et quorundam exoticorum qui
in museo L. T. Gronovii adservantur
descriptiones [... ] Accedunt nonullorum
exoticorum piscium icones aeri
, 2 vol. (Leiden 1754).
]. Gronovius is also going to illustrate and make notes for a new edition of Pliny. Blom writes that Gronovius has published Linnaeus’s Systema naturae volume 1 in the Hague in 1759 [Blom refers to Caroli Linnaei [...] Animalium Specierum in classes, ordines, genera, species methodica dispositio additisLinnaeus, Carl Caroli Linnaei
[...] Animalium Specierum in classes,
ordines, genera, species methodica
dispositio additis, characteribus,
diferentiis atque synonymis, accommodata
ad Systema Naturae & in
formam enchyridii redacta, secundum
decimam Holemensem editionem

[1758-59] (Leiden, 1759). Soulsby no. 70
], but Blom disapproves of Gronovius left out all the trivial names and replaced them in naother way. Blom writes that he has found some insects not described before. He is enclosing a list and has tried to make drawings of them [fol. 73]. Blom writes that two of the insects are more interesting and he describes them in detail, but he cannot tell their sex. Blom writes that figure 6 is a caterpillar larva, that the local people think is a scorpion, but Blom himself thinks that it is a Gryllotalpa. Blom writes that he has not found any interesting plants except for a possible Scabiosa arvensis.

Blom writes that he visited Maastricht during the Whitsun holiday and there he saw J. L. Hoffmann’sHoffmann, J. L. (1710-1782).
Dutch. Surgeon and collector,
Maastricht. Met with Linnaeus in Paris
1737. Correspondent of Linnaeus.
mineral collection. Hoffman has promised to send some madreporites and milleporites and asks Linnaeus to classify them as he cannot find them in either Linnaeus’s Systema naturae or in Johan Gottschalk Wallerius’Wallerius, Johan Gottschalk
(1709-1785). Swedish. Professor of
chemistry at Uppsala.
, MineralogiaWallerius, Johan Gottschalk
Mineralogia, eller Mineral-riket,
indelt och beskrifvit
. Blom writes that Hoffman is a supporter of Linnaeus’s system and that he has got all Linnaeus’s books except for the latest edition of Amoenitates academicaeLinnaeus, Carl Amoenitates
, I-X (Stockholm
1749-1790). Soulsby no. 1280.
and the new edition of Systema naturae [the Systema naturae, 10th editionLinnaeus, Carl Systema
, 10th edition (Stockholm
1758-1759). Soulsby no. 58.
, was published in two volumes, “Animalia” 1758 and “Vegetabilia” 1759. The third volume, “Mineralia” was never published, but in the next edition, the Systema naturae, 12th editionLinnaeus, Carl Systema
, 12th edition (Stockholm
1766-1768). Soulsby no. 62.
which was published in 1768, the ”Regnum lapideum” was published in vol. 3]. Blom writes that he has also visited the citadel in St. Petersberg. Blom writes that underneath the citadel sandstone is carved out. Blom describes the contents of the sandstone and how it is used for building houses. He is enclosing a sample of a sea star he found in the sand.

Blom writes that this is the last letter from Borcett as his travelling companion is returning to Sweden. Blom regrets having to leave Borcett [Burscheid] as this is the right time of year to study plants and insects.

P.S. Blom apologises for the small paper he has used and blames the mail service.


a. original holograph (LS, II, 71-73). [1] [2] [3]


1. Bref och skrifvelser (1909), vol. I:3, p. 282-284   p.282  p.283  p.284.