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acknowlege the merit.of a foreigner; and that, on the present
Indian plant described by Roxburgh; Vallisneria spiralis, an
title of Angustura, but now named Bonplandia. ii
In the succeeding article, the Secretary supplies notices of the lives of Malus and Lagrange ; of the latter of whom we have already spoken in our report of his Mécanique Analytique, and respecting the former we shall merely transcribe one sentence: Newton, speaking of a young friend whom he had lost, said, “ If Cotes had lived, we should have known something:” and we may, in like manner, say, If Malus had lived, he
would have completed the theory of light.' This celebrated philosopher, whose name will be transmitted to the end of time in consequence of his discovery of the polarization of light, died on the 24th of February 1812, in the 37th year of his age, and was replaced in the Institute by M. Poisson ; who is well worthy to succeed him.
(Part I.) MEMOIRS. - On a new Kind of Oscillation which the Particles of Light experience in traversing certain Crystals. By M. Brot.
(Part II.) On a new Application of the Theory of Oscillations of Light. By the Same.
On the Discovery of a new Property in the polarizing Forces of certain Crystals. By the Same.
On the Physical Properties that the Particles of Light acquire in traversing double refracting Crystals. By the Same.
These memoirs occupy more than 400 pages, and are crowded with numerous experiments and ingenious deductions; which, as we have before remarked in reference to this author's paper in the preceding volume, bid defiance to any intelligible condensation. We must consequently pass over them with the mere enumeration of their titles.
Result of the Meteorological Observations made at ClermontFerrand, from the Month of June 1806, to the End of 1813. By the Baron Ramond. — On examining the dates in the title to this memoir and the title of the volume itself, it will be found that the article which is here said to be inserted in the volume for 1812 was not written, and the experiments which it details were not finished, till 1813; that it was not read till 1814; and that it was not published till 1816. We cannot but remark the impropriety of thus giving an apparent earlier date to papers than the period at which they were written. Let us imagine such a case as the invention of fluxions by an Englishman in 1813, which is mentioned to a few friends, and arrives by some means at Paris in 1814; let us farther imagine a foreigner so lost to all sense of honour as to appropriate to himself that which he knows, and he almost exclusively, to belong to another; of which we will suppose him to present an account to the Institute in the latter end of this year; and the memoir to be then pubM m 4