XIII. Ensayo historico, seguido de tres opuscules ineditos de

Arnaldo, y de una coleccion de documentos relatives a su persona. Madrid, 1879. i6mo.
Life of Arnauld de Villeneuve. For a list of more than thirty biog- raphies of A. de v., see Chevalier (Ulysse), Repertoire des sources historiques du moyen age. Tome i. Paris, 1877-83, and Supple- ment, Paris, 1888. Vol. i, 2,370 col., 8vo. See also Figuier, Vie des savants.
Poisson, Albert. Notice biographique sur Arnauld de Villeneuve. See^ in Section VI, Poisson, Albert.
1/4 BIBLIOGRAPHY OF CHEMISTRY.
Arnold, Edward,
Obituary. J. Chem. Soc, London, xxv, 342 (1872).
Arnot, William.
Obituary. J. Chem. Soc, London, xxxix, 190 (1881).
Atkinson, G. T.
Obituary. J. Chem. Soc, London, xlvii, 329 (1885).
AUGURELLI, J. A. Life and bibliography, see Adelung, J. F.
AuLAGNiER, Alexis-Francois. Notice historique sur la vie et les travaux de A. F. Aulagnier. See, in Section If, Aulagnier : Dictionnaire des aliments et des boissons.
AURiviLLius, P. F. Life of Torbern Bergman. See Bergman, Torbern. AVERROES (IbN-ROSHd).
Life and portrait. Pop. Sci. Mon., xxv, 405, July, 1884.
AVOGADRO, AmADEO.
BoTTO, G. D. Cenni biografici sulla vita e sulle opere del Conte Amadeo Avogadro. Torino, 1858. 4to. [Extract from : Memorie della reale accademia delle scienze di Torino. Serie 11, Tomo xvii.]
Bachhoffner, George Henry.
Obituary. J. Chem. Soc, London, xxxvii, 255 (1880).
Bacon, Francis.
Janet, P. Baco Verulamius alchemicis philosophis quid debuerit. Paris, 1889.
Bacon, Roger.
Life of. For a list of more than 30 biographies and essays on R. B., see Chevalier (Ulysse), Repertoire des sources historiques du moyen age. Tome i. Paris, 1877-83. Charles, Emile. R. B. sa vie, ses ouvrages, ses doctrines d'apres des textes inedit. Paris et Bordeaux, 1861. 8vo.
Bacon, Roger. Poisson, Albert : Notice biographique sur Roger Bacon. See, in Section VI, Poisson, Albert. Life of, see Figuier, Vie des savants ; also Saverien.
Bailey, Jacob W.
Obituary. Am. J. Sci. [2], vol. xxiii, 447, May, 1857. Also, vol xxv, p. 133, 1858.
Bailly, Francis. Life of, see Arago, Fran9ois.
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