Vili CONTENTS. 
SCIENTIFIC INTELLIGENCE. 
Ld 
Chemistry and Physics—On a new class of homologues of cyanhy 
W. Hormann, 416.—On the same subject: On certain Aecdeerto: porate: 
in coal-tar, BERTHELOT, 418. 
goa and Geology—Note on the genus Paleacis, Haime, 1860 = (Spheno- 
oterium, M. & W., 1866), F. B. MzEx, 419. 
Botany and Zoology.—Monographia Salicum, auctore N. J. ANDERSSON, 420.— 
Flora Brasiliensis of Martius: Lois de la ee redigées et commen- 
tées par M. AtpH. DeCANDOLLE: Sur les Affinités Flora du Japan avec 
celles de l’Asie et de l’Amerique du Nord, 421 heh fees | in Australia, 422.— 
Hoa on the disastrous effects of the destruction of Forest Trees now going 
rapidly in Wisconsin, I. A. LapHaw, ete.: nales Musei Botanici aa 
hai Batavi edidit F. A. G. MIQuEL, 424. Sees gen "8 the species of Starfishes, 
in the British Museum, by Joun Epwarp Gray, 
Astronomy.—Discovery of new planet Discovery of new planet (94), Wat- 
SON: uate cae in August, 1867, 426.—Meteoric Astronomy, a treatise on 
Shooting Stars, ; DANIEL Kirk woo at 428.—On Meteors in the Southern 
Tenigien E. fae and Gidned NEUMAYER: Sternschnuppen und Kometen, 
ARL VON LiTTrow, 429. 
Miscellaneous Scientific re eg rane of Mt. Hood in Oregon, and deter- 
mination of its height, —American Association for the Advancement of 
Science, 431.—National asia 5 Sciences, 435.—Mineralogical Nomencla- 
ture: Bri on Association: Walker Prizes of the Boston Society of Natural 
History, 43: 
” Miscellaneous Pore. —The Mechanical Theory of Heat with its application 
to the Steam Engine, etc., by R. CLaustus: Condition and doings of the Boston 
Society of Natural Hisioty: The Culture demanded by Modern Life, 437.—On 
the distribution of temperature in the lower regions of the earth's atmosphere, 
by Prof. Henry Hennessy: Die Chemie der austrocknenden Oele, ihre Ber- 
eitung und ihre technische Anwendung in Kiinsten und Gewerben, von G. J. 
MULDER, 438, 
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