Wrote Letter 7 of 1674-10-19 (AB 12) to Henry Oldenburg

October 19, 1674
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Text of the letter in the original Dutch and in English translation from Alle de Brieven. The Collected Letters at the DBNL - De Digitale Bibliotheek voor de Nederlandse Letteren

Leeuwenhoek wrote this letter to Henry Oldenburg about worms and (possibly) protozoa in animal bile; metals, skin, bladders, and taste.

Dobell, p. 220, offers the descriptions in this letter as the first of the "Sporozoa or upon any parasitic protozoon ... oocysts of the coccidian Eimeria stiedae."