The next No. of this Fournil wtil be published on the first of July. 
CONTENTS. 
Page. 
Art. ie lesa a “ee a in its relation to rs : 
ANDER B 7 
xt A “esearch on Tellurmethyle ; by FE. Woaten aad 
: 318 
XXXIIL. ate on a ccrites A Side ripiion of ive new Me- 
teoric Irons, with some theoretical considerations on the ori- 
gin.of agrees Sigs on their ace and.Chemical char- 
acters ; WRENCE 322 
XXXIV. = the Variable iss Algol, or b Persei ; by Fr. ‘ 
GELAN 344 - 
XXXV, Re ecrecie acy Tooth i in Mastodon giganteus by Joun 
C. Warren, M.D., 349 
XXXVI. Supplement to the Mineralogy of J. D. Dana, by the 
Author.—Number I, 353 
XXXVIL. Review of ‘Marcbisoo’ 3 Si tari ia, 371 
XXXVUE. eo ete about the tae by Lieut. 
M. F. Maury, 5 
XXXIX rapreanibes flicty Tracks) on Altavial Clay, in 1 Had- 
ley, Mass.; by Cuartes H. Hircne 391, 
XL. Emmons on American Geolog “ - 397 
¥; 
XLI. Correspondence of M. Jerome Niceis 0k the_ rela- 
tions which exist between the chemical composition Of bod-— 
ies and their physical properties, 407.—Limits of the vapori= 
_ gation of Mercury, 408.—Assimilation of Nitrogen by Plants: ~ . 
Action of some animals fluids on the fats: Calculating Ma- 
chine, 409.—Artillery in the 15th Centu ury Zoological So- 
ciety for Acclimation and Domestication, 410.—Silkworms, 
411.—Anesthesis of Bees: — Iture: Production of Al- 
cohol, 412. —Photographie news: Bibliogra raphical notices, 
413, 414. etiay notice of ‘Meloni, 414.—Death of M.. 
Braconnot: Death’ of Joseph Remy, 415.——Monument to 
eT. S8.H 
Arago: Correspondence « s. owen the Equiva- 
lent of ies: “The = ed‘ Slates of the a 
Green Mountains: A newl pag Madors Tron : 
Ores of Nickel from Lake Sane: : 416, 417. 
SCLENTIFIC INTELLIGENCE. 
eccmesia Physics.—On the specific volumes of fluid compounds, 418.—On the em- 
ployment of a — of chlorid of. iron in the galvanic battery; 420. oe the law of — 
the absorption On the mechanical equivalent of heat, 421.—A new Carbonic — 
= stat ce eae! M. Marr, 422.—On Bimucate of eas by Samvet 
Bice. Ny 423,—On, es Magpie; by Col. a 424.—On the Stauro- 
scope of Prof. Fr. von Kobell, 
Pernt at seth pe of Cote) 
