To G. O. Sars   29 April 1877

Down, | Beckenham, Kent.

Ap 29. 1877.

Dear Sir,

Allow me to thank you much for your kindness in having sent me your beautiful memoir on Brisinga.1 It contains discussions on several subjects about which I feel much interest. I congratulate you on your discovery of the new process of Autography which promises to be of much service to those who like yourself are good draughtsmen.2

With the most sincere admiration for your varied works in Science, I remain, | dear Sir | Yours very faithfully | Charles Darwin

Sars had sent his monograph Researches on the structure and affinity of the genus Brisinga, based on the study of a new species: Brisinga coronata. (Sars 1875a); CD’s annotated copy is in the Darwin Pamphlet Collection–CUL. Brisinga coronata (a synonym of Hymenodiscus coronata) is a species of sea star of the family Brisingidae.
Sars had worked with a lithographer to improve the process of transferring a drawing made on paper to a lithographic stone. He had sent CD a pamphlet, ‘On the practical application of autography in zoology, and on a new autographic method’ (Sars 1875b), together with two plates made using the autographic process that were later published in his work on molluscs of the Arctic regions of Norway (Sars 1878; fifty-two autographs were included in this work). CD’s copy of the pamphlet and plates is in the Darwin Pamphlet Collection–CUL.

Please cite as “DCP-LETT-10945,” in Ɛpsilon: The Charles Darwin Collection accessed on 5 June 2025, https://epsilon.ac.uk/view/dcp-data/letters/DCP-LETT-10945