CONTENTS OF VOLUME XXYV. 
| s 
NUMBER LXXIII. 
of Page 
Arr. I. On the Idea of Physical and Metaphysical ay by 
Lieut. E. B. Hunt, - - 1 
Il. On the Characters, Principles of Division; and Schur Gnems 
of the Class Mammalia; by Professor Owen, F.R.S., F.L.S., 7 
III. On the Rational Constitution of certain Organic ieee 
by Prof. Wotcorr Gisss, M.D.,_— - . ‘ 2 
IV. The Estimation of the Weights of very small sii of 
te Matter; by Prof. Atrrep McMayer, - - 39 
V. On the Behavior of the Carbonates of Lime and of naive 
in presence of various. Saline Solutions. With remarks 
on the Determination of Carbonic Acid in Mineral Waters ; 
by Frank H. Storer, - 41 
VI. On the Heights of the Tides of the AindnienCoRE of the 
United States, from observations in the Coast Survey; by 
A. D. Bacus, Superintendent.—With a Plate, —- . - AT 
VII. On the Winds of the Western Coast of the United States, 
from observations in connection with the U.S. Coast Survey ; 
y A. D. Bacne, Superintendent.—With a Plate, - . » 6-62 
VIII. Notes on the Measurement of a Base for the primary trian- 
gulation of the Eastern Section of the Coast of the United 
States, on Epping Plains, Maine; by A. D. Bacue, eveae: 
tendent U. S. Coast Survey.—With a Plate, - 
IX. On the Influence of Musical Sounds on the Flame of a me 
of Coal-gas; by Prof. Joan LeConre, M.D., . wis MR 
X. On the Motion of the Gyroscope as modified by the retard'ng 
forces of friction and the resistance of the air: with a brief — 
. analysis of the “*Top;” by Maj. J. G. Barnarp, A.M., - 67 
‘ 
XI. Review of the Operations and Results of the United hate 
Coast Survey, - - - 75 
