Wrote Letter L-400 of 1702-02-09 to Hendrik van Bleyswijk about three types of little animals from the gutter of his house, one of which was eaten by a larger animal, which could revive after being dried out

February 9, 1702
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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 about …

Three species of protozoa out of water from a gutter (Haematococcus, Chlamydomonas, and Coleps). Predation of Haematococcus by rotifers. Ability of rotifers after desiccation again to become visibly alive when transferred to moist surroundings.