408 Scientific Intelligence. 
such a as a. tea in favor of the iatelliacioe of these useful insects and other 
Hyme naturally concludes in r of the intelligence of eee in 
ioral; "aod giv , in su stab of his spliteie: some very fitevestinig exam Hn 
DAnn ¢ Litera et Dra —— par Vappareau, 12mo,—A work of the dis 
acter of TA ée Scienti fue noticed above ; it treats of all the new ‘eles and 
bibliographical wor appeared in France in the ~~ 1862. 
raudes et Maladies We vin, par Jacque. ites v6, pp.—This work, con 
saiabasty pies, indicate pia ways i whe e may porte adulterated and? 
diseases of wines, as well as the process for their analysis, among which are many 
new ones, some of ery iivented by the author. 
Le Verrier du XIX® siecle, par r Fla amen. 8vo, 500 pp.—This work is a complete 
treatise upon the auutaauts of crown and flint glass, and enamel. The author, 
who has for a long time sobre large glass m maniactor ry, includes in this work 
his practical observations and also the secrets of manufacture which have secured 
the success of his glass as debi as of his mekablediinibes: r. Flamen is not learned 
—we see it in his book, is a practical man, and especially an observer. The 
processes not before published take oP a large part of the book; of these he has 
invented some and ee many mo. 
Nancy, July 5, 
SCIENTIFIC INTELLIGENCE. 
I. PHYSICS. 
1. On the density of vapors at very high temperatures—Devitie and 
Troost have communicated the results of their very interesting and 
of each of its constituents, and the volume 8 is therefore 
hea ie so that it is ae is Adesiaiion an take pl lace at pu pes 
perature. Secondly, that chlorid of ammonium does not oe 
temperature at which ammonia is already in large part dec 
Thirdly, that a mixture of chlorhydric acid nitrogen sit 0 a0 
passed through a tube heated to low redness, does not combine to form 
