CONTENTS OF VOLUME XLV. 
NUMBER I. 
Page 
Art. I. Notice of some Works, recently published, on the No- 
menclature of Zoology ; by Aucustus A. Gouzp, M.D., 1 
II. A Statement of Elevations in Ohio, with reference to the 
Geological Formations, and also the Heights of various 
points in this State and elsewhere ; by Cuartes Wuir- 
TLESEY, Esq., - - - - - - 12 
III. Tides in the North American ere! ; by Lieut. D. Rue- 
eves, U.S. A.—(with a chart,) - - - «o 18 
IV. Observations on some interesting Plants of New England ; 
by Epwarp Tuckerman, Jun., - - - ee) 
V. Remarkable example of the Force of Expansion and 
Contraction, exerted by bodies when subjected to alter- 
nations of Temperature,—with a reference to the ques- 
tion whether the freezing point of liquids is influenced 
by differences in pressure; by Prof. Lewis C. Brcx, 
M.D., - - - - - - - . - 49 
VI. An effort to refute the arguments advanced in favor of 
the Existence, in the Amphide salts, of Radicals con- 
sisting, like Cyanogen, of more than one element; by 
Prof. Ropert Hare, M.D.,~ - - - - - 52 
VIL On the Rotary Action of Storms; by Cuartes Tracy, 65 
VIIL. Corrections and Additions to the Monography of Cuscu- 
tine, in Vol. XLII. of this Journal; by Georce En- 
GELMANN, M.D.,_ - : 2 a - = a1 Oo 
IX. On the Ice Mountain of Hampshire County, Virginia, 
with a proposed explanation of its low temperature ; by 
C. B. Haypven, - - - - - : aS 
X. On the Errors of Chronometers, and explanation of a 
new construction of the Compensation-balance; by 
E. J. Dent, - - : ’ 7 : ; /? $87 0 7 
