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Darwin Correspondence Project

To Gustaf Retzius   12 February 1875

Down, | Beckenham, Kent.

Feb 12th 1875

Dear Sir

I am very much obliged to you for your great kindness in having sent me your valuable “Anat. Untersuchungen”, I have as yet only looked at the illustrations, & these seem to me admirable.1

With my best thanks for the honour which you have done me, I beg leave to remain | Dear Sir | Yours faithfully | Charles Darwin


CD’s copy of Anatomische Untersuchungen (Anatomical investigations; Retzius 1872) is in the Darwin Library–Down. The work included five plates, illustrating the anatomy of the semicircular canals in the auditory system of bony fish.


Retzius, Gustaf. 1872. Anatomische Untersuchungen. Part 1 (no more published): Studien über den Bau des Gehörlabyrinthes. 1st part (no more published): Das Gehörlabyrinth der Knochenfische. Stockholm: Klemmings Antiqvariat.


His thanks for MGR’s valuable Anatomische Untersuchungen (1872).

Please cite as

Darwin Correspondence Project, “Letter no. 9853A,” accessed on 21 January 2022,

Also published in The Correspondence of Charles Darwin, vol. 23