iv CONTENTS. 
SCIENTIFIC INTELLIGENCE. 
Physics and Chemistry —On a new saccharimeter, W1ip, 91.—On the mechanical en — | 
ergy of chemical action, 92.-On the replacement of hydrogen in ether by chlorine, — 
ethyl, and oxethy], Lresen and Baver: Ona new mode of preparing oxygen, Ros- — 
BINs, 95. 
Geology—On buried stems and branches in Illinois; by J. S. Buss, 95.-On the Geology 
RusKIN 
NEY, 99.—Oil region of Pisiinay ivecila by Ira Sayxes, 100.—Petroleum in Califor- 
nia, 101. 
Botany and Zoology —Dioico-dimorphism in the Primrose Family, 101,--Observations 
upon Dimorphous Flowers; by H. von Mout, 104. i 
etc., discovered at Salina, N.Y., 166.—Spontaneous return of hybrid plants to their 
parental forms, 107.--Flora of the British. West Indian Islands; by Prof. A. H.R. — 
Gaisezacu, M.D., 108—Florula Australiensis: a Description of the Plants of the — 
Layee ee by Greorce Bentuam, F.R.S., etc., and FerpinanpD MULLER, 4 
iy : Upon a form of budding in some Insect Lavees. 110. 
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Astronomy.—Discovery of a new Planet, Terpsichore, (1) : New Comet, 111.-Numbers : 
of stars in the northern hemisphere: On the age of the moon’s su urfac ; by J i 
the p h 
eye-and-ear, and Chronographic method; by Epwin Dunkin, Esq., 112.--Shooting — 
stars in November, 1864: Supplementary note to the article on the Nebular Hypothe- — 
sis, 113. 
Miscellaneous Intelligence and Bibliography.--National Academy of Sciences : a 
Sesion 2 Society: Medals of he Royal Society: H. R. Schoolcraft: F. W. — 
: Thonghts on the Influence of Ether in tlhe Solar System, ete, by pene ; 
pele M.D., 114.—Report of the apogee of the Coast Survey during the 
F 
year 1862: Eulogy on Joseph S. Hubbard, by B. A. Goutp: Chambers’s Ency¢- — 
lopedia : Meteorological Observations at = rat lana Observatory, Toronto: Re- — 
view of American Birds, by S. F. Barrp, 115.—Monograph of the Bats of North 
America, by H. Aten, M.D.: American Journal of Del nchology : Notices of New — 
Works, 416. 
: 
NUMBER CXVI. ‘ : 
Arr. XVI. On Terrestrial ars as a mode of Motion; 
by Puiny Earte Cuase, -/ 7 
XVI dis. On the construction - the Spectroneope i ge M. 
RuTHERFURD, - 129 — 
XVII. Coilvitictisne tein iis: Sheffield Caboesliey of Yale > Col- : 
lege. No. VIII.—On crystallized eh oe as a furnace 
product; by Geonce 1 Brust, - - ete 132 — 
