bers. The first density of mercury as compared with that of a to which the radicels penetrate by putting a stratum illustration clearly shows this wooden clamp and the seed. The first mention of this curious prenomenon of mercury above one of water. The two strata were dates back to 1829, when M.… … 1829, H. R. Goeppert, in 1831, and smaller section. This is raised in Poyer, in 1844, confirmed the ac- a similar manner, but instead of curacy of Pinot’s observations. using the wooden clamp—the stone In 1845, Durant claimed that the radicels would not being already cut to its proper length—a…
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