(696 ) 



BULLETIN ninLIOr.RAPIÎIQUK, 



Ouvrages reçus dans la séance du 20 FfivRiEit 1888. 



Journal de l'Ecole Polytechnique, publié par le Conseil d'inslriiction de 

 cet établissement; LVIP Cahier. Paris, Gauthier-Villars, 1887 ; i vol. m-[f. 



De l'éclairage; par l^. Delmas-Azéma. Saint-Quentin, 1886; i vol. in-12. 



Revue maritime et coloniale; tome XCVI, 3i 7^ livraison. Paris, L. Baudoin 

 et C'^ I vol. in-8°. 



Description géologique du Bassin parisien et des régions adjacentes; par À. 

 DE Lappare>t. Paris, F. Savy, 1888; i vol. in-i8. 



Annals of the astronomical ohsen-atory of Harvard Collège; Vol. XIII, Part 

 II : Zone observations made with the transit wedge photometer attached to the 

 equatorial télescope, of fifteen inches aperture, during the years 1882-1886, 

 under the direction «y Edward C. Pickering. Cambridge, John Wilson and 

 Son, 1888; br. gr. in-4^ 



Forty-Second annual Report of the Director 0/ the astronomical observatory 

 of Harvard Collège; ij Edward C. Pickering. Cambridge, Mass., published 

 by the University, 1887; br in-8°. 



The Transactions of the royal irish Academy ; volume XXIX, parti. Dublin, 

 1887; br. gr. in-4°. 



Proceedings of the royal Society ; vol. XLIII, n° 261 and n" 262; 2 br. in-S". 



The Journal of the Franklin Institute ; third séries, february 1888, 

 vol. XCV, n" 2. Philadelphia, published by the Franklin Institute; br. in-8°. 



Journal of the american cheniical Society , vol. IX, n° 7, september 1887. 

 New-York, .Tohn Polhemus, 1887; br. in-8". 



U. S. Department of Agriculture. Division of Chemistry. Bulletin n° 13 : 

 Foods and food adultérants ; by direction of the Commissioner of Agriculture; 

 Part third : Fermented alcoholic heverages, malt liquors, wine, and cidcr; hy 

 C.-A. Crampton. Washington, Government printing Office, 1887; br. in-8''. 



U. S. geological Survey. Minerai resources of the United States. Calendar 

 year 1886. David T. Day. Washington, Government printing Office, 1887; 

 I vol. in-8". 



Journal of the royal microscopical Society ; 1888. Parti, february. London 

 and Edinburg; i vol. in-8". 



