536 ACADÉMIE DES SCIENCES. 



Annual reports of the Department of tite Interior, 1902. Commissionner of 

 Education ; vol. 1. Washington, igoS; 1 vol. in-8°. 



Annah of the astronomical obsen.-atory of Han,'ard Collège : vol. XLVl, pari 1 : 

 Observations with the ineridian photomctcr, during tlie yeares 1899-1902, by Solon- 

 J. Hailey, and reduced under the direction of Er>WARD-C. Pickering. vol. LI : A pho- 

 tographie allas of the Moon, by William-H. Pickering. Cambridge, Mass. 1908; 

 2 vol. in-4°- 



Dekaden-Monatsherichte kônigl. sàchsischen meteorologischen Institutes, 1902,- 

 Jahrgaiig V, herausgegeb. v. Dir. Paul Schreiber. Chemnilz, 1908; 1 fasc. in-4°. 



Krilische Bearbeitung der Luftdruckmessungen ini Kônigreich Sachsen wâh- 

 rend der Jahre 1866-1900, von Paul Scoreirer. Chemnilz, igoS; i fasc. in-4°. 



The astrophysical Journal, an international review of Spectroscopy and astrono- 

 mical Physics, ediled by E. Hale and Edwin-B. Frost; vol. XIX, number 1, january 

 1904. Chicago; i fasc. in-8°. 



The journal of the Franklin Institute, devoted to Science and the meclianic Arts; 

 yg"" year, vol. CLVII, n" 1, january 1904. Philadelphie; 1 fasc. in-S". 



Memoirs and proceedings of the Manchester litterary and philosophical Society. 

 1903-1904, vol. XLVIII, part 1, december So''', igoS. Manchester; 1 fasc. in-8°. 



ERRATA. 



(Séance du i5 février 1904.) 



Note de M. Emm. Pozzi-Escot, Procédé général de préparation des prolo- 

 chlorures, etc. : 



Page 435, ligne 18, ati lieu de protochlorures, lisez, perchlorures. 



