8vo, pp. 529-539, [1 (blank)]; dropped-head title; slightly toned, some staining to lower uncut edges; good, stab-stitched in contemporary drab paper wrappers; inscription to fore-edge of first page ‘M. Dutrochet Paris with the respects of J.L. Riddell’, marginal annotation to p. 533, 4 pp. of MS notes in French loosely inserted, address panel of envelope sent from Cincinnati to Dutrochet in Paris pasted to last blank page.
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On corpuscular permeation and the attendant phenomena, with application to physiology. Read before the Cincinnati Medical Society, April 2, 1835.
A presentation copy of this interesting paper on osmosis given by the author, the American microscopist and botanist John Leonard Riddell (1807–1865), to the eminent French physiologist Henri Dutrochet (1776–1847), with manuscript notes inserted.
Dutrochet is best known for discovering and naming the phenomenon of osmosis, and Riddell here discusses his work. An interesting manuscript note to p. 533 suggests that Riddell was not always altogether accurate in his interpretation of his French colleague’s theories: ‘erreur de Mr Ridell [sic], c’est précisément le contraire qui a été dit par Mr Dutrochet.’ The inserted manuscript notes provide a French translation of part of the text found on p. 532 and a French summary of some of Riddell’s reported experiments.
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