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Letters |
Wrote Letter L-328 of 1697-09-03 to Jan van Leeuwen about ears of wheat with smut and a theory of fungous disease in grain; refutes the notion that honey-dew causes smut ears |
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Letters |
Wrote Letter L-329 of 1697-09-10 to the members of the Royal Society about small white eggs mixed with earth, a pulsating pulmonary vein in an egg, Roman snails, the rootlets of a wheat grain, one of his own teeth, and young oysters |
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Letters |
Wrote Letter L-330 of 1697-11-02 to Antonio Magliabechi to thank him for two of his letters and to complain that the book sent to him has not yet arrived |
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Letters |
Wrote Letter L-331 of sometime between late December 1697 and mid-January to Johan Arnoldi about the book that Magliabechi had sent |
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Letters |
Wrote Letter L-334 of 1698-01-19 to Govert Bidloo about how little animals get into the human body through canal water and food preparation |
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Letters |
Wrote Letter L-335 in February 1698 to Johan Arnoldi that he should do whatever it takes to get the book that Magliabechi sent and that he will reimburse whatever it costs |
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Letters |
Wrote Letter L-336 of 1698-02-20 to Antonio Magliabechi about problems during the transport of the book that Magliabechi had sent to Leeuwenhoek as a present |
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Letters |
Wrote Letter L-340 to Johan Arnoldi that he will reimburse him for his expenses in getting the book |
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Letters |
Wrote Letter L-341 around April 1698 to Harmen van Zoelen about using plaster to whitewash wooden storage containers to prevent damage from worms |
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Letters |
Wrote Letter L-342 of 1698-04-17 to Antonio Magliabechi that the book had at last arrived and received a place of honour in his house |
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Letters |
Wrote Letter L-343 of 1698-05-09 to the members of the Royal Society about the compound eye of a beetle and the number of facets, the human cornea, drone flies, and gnat brains and leg muscles |
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Letters |
Wrote Letter L-346 of 1698-08-14 to Antonio Magliabechi about payment for and arrival of a book sent by Magliabechi as a present as well as an enclosed catalogue of an art collection of the Mennonite minister A. van Beusecom |
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Letters |
Wrote Letter L-347 of 1698-09-20 to Anthonie Heinsius about blood circulation in an eel's tail, the transition of arterial into venous capillaries, and the connection between the thickness of the wall of the blood vessels and the viscosity of the blood |
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Letters |
Wrote Letter L-349 of 1698-12-17 to Harmen van Zoelen to defend himself against Hartsoeker's claim to have been the first to discover sperm |
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Letters |
Wrote Letter L-352 of 1699-02-01 to a "right honorable sir" about his inspection of a mineral containing gold and silver from the Salida mine in Sumatra; his theory about the formation of gold and silver ores |
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Letters |
Wrote Letter L-353 of February 1699 to Johan Arnoldi about how he can repay Leeuwenhoek |
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Letters |
Wrote Letter L-354 of 1699-02-28 to Antonio Magliabechi about reimbursement for Arnoldi's expenses for the book that Leeuwenhoek finally received |
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Letters |
Wrote Letter L-355 of 1699-04-26 to Harmen van Zoelen about the damage caused to mace by insects and their larvae, damage to bamboo, and the biting and stinging of noxious white ants and the struggle against them by chalking of wood |
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Letters |
Wrote Letter L-356 of 1699-06-09 to the members of the Royal Society to dispute Dalenpatius's 'Nouvelles de la Republique des lettres', in which sperm are described as having the shape of the human body |
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Letters |
Wrote Letter L-357 of 1699-06-23 to the members of the Royal Society in response to Martin Lister's objections against his theory of generation; his opposition to the theory of spontaneous generation; the assumption of male and female spermatozoa |
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Letters |
Wrote Letter L-358 of 1699-08-05 to the directors of the United East India Company in Delft about circulation of the blood in the leg of a scorpion from India that they had sent to him; a description of the eight eyes and the pincers |
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Letters |
Wrote Letter L-360 of 1699-09-25 to Hans Sloane to request a reaction to previously sent letters and as cover letter for Letter L-361 of the same day to the Royal Society |
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Letters |
Wrote Letter L-361 of 1699-09-25 to the members of the Royal Society about the circulation of blood in tadpole capillaries, the transition from arteries to veins, blood clotting, the dissolution of clotted blood, and the origin of the name thunder-pad |
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Letters |
Wrote Letter L-362 of sometime in October 1699 to Ehrenfried von Tschirnhaus about medicines, his aversion to bleeding and purging, and his preference for tea and coffee as medicine; credulity of people who trust impostors and poorly trained physicians |
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Letters |
Wrote Letter L-363 of 1699-10-16 to Antonio Magliabechi about tiny animalcules from ditchwater, his opposition to spontaneous generation, and how animals serve as food for each other |
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Letters |
Wrote Letter L-364 of 1700-01-02 to Hans Sloane about liver fluke, gnat larvae, circulation of blood in a frog, and little animals in its feces |
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Letters |
Wrote Letter L-365 of 1700-01-14 to Nicolaes Boogaert van Belois about blood circulation in lizard legs, the way a lizard and a scorpion react to one another, the scorpion's eyes, pincers, and sting and the muscle fibres in that sting |
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Letters |
Wrote Letter L-366 of 1700-05-20 to Hendrik van Bleyswijk about the eyes and the sting of a centipede and the reactions of a fly and a lizard to a centipede |
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Letters |
Wrote Letter L-367 of 1700-05-20 to Anthonie Heinsius about peat, its composition and origin, how much soil washed into the sea by rivers and effect on sea level compared to amount of soil lost through peat cutting |
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Letters |
Wrote Letter L-368 of 1700-06-02 to Frederik Adriaan van Reede about the eyes, mouth parts, food, intestines, and eggs of a shrimp |
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Letters |
Wrote Letter L-370 of 1700-06-14 to answer Hans Sloane's Letter L-369 that he has examined the sperm of many animals, but if there is any animal that the Royal Society would like him to investigate, he will do so. |
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Letters |
Wrote Letter L-371 of 1700-06-16 to a "Highly Learned Sir" summarizing his earlier investigations of bees, especially the queen bee and her eggs, and of the propagation of other insects |
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Letters |
Wrote Letter L-372 of 1700-07-09 to Hans Sloane about red blood cells in flounder and salmon, how their oval form changes shape to pass through capillaries, and the sperm of a young cock |
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Letters |
Wrote Letter L-373 of 1700-07-10 to Anthonie Heinsius about seeds of plants and parts of invertebrates in peat found near Hellevoetsluis |
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Letters |
Wrote Letter L-375 of 1700-07-27 to Hans Sloane about experiments with the larvae of cheese flies received from Sloane a week earlier and the treatment of his wife's toothache with vitriol |
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Letters |
Wrote Letter L-376 of 1700-08-01 to "Your Most Serene Highness" about the influence of atmospheric pressure on the level of a water column in a glass tube during a capillary rise; comparison to the column of mercury in a barometer |
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