CONTENTS. ¥ 
NUMBER CVII. 
Art. XV. On the Velocity of it and the Sun’s Distance ; “d 
Prof. Josep Loverine, 61 
XVI. Further Remarks on a nes of ‘Reduciag Ciservations 
of Temperature; by Prof. J. D. Evererrt, - 173 
XVII. On the Coal-Measures of wake inc N.B., ivits a si 
tion; by J. P. Lestey, - 179 
XVIII. Hydraulics of the Report of Hawtin ni Abbas on 
the Mississippi River; by Prof. F. A. P. Barnarp, - #987 
X1X. Qn Inhalation of Nitroglycerine ; by Joun M. Merrick, Jr., 212 
XX. On the Chemical and Mineralogical Relations of Meta- 
morphic Rocks; by T. Srerry Hunt, F.R.S., - - 214 
XXI. On the Appalachians and Rocky Mountains as Time-bound- 
aries in Geological History; by James D. Dana, - 
XXII. On the Homologies of the Insectean and Crustacean Types : 
by James [D. Dana, - 233 
XXIII. On the genus Centronella, wilh Nts on some hes 
genera of Brachiopoda; by E. Bititnes, 236 
XXIV. Qn the Explosive Force of paloma by Profaadé 
F. A. P. Barnarp, - 241 
XXV. On Childrenite from Hebron, “Maine: vl Geo. J. eke 257 
XXVI. Crystallographic examination of the Hebron mineral, and 
comparison of it with the Childrenite from Tavistock ; “8 
oo ke WOKE, Pia. - - - | 
XXVII. Meteoric Iron from Dakota Terriory—Dererpin a ag : 
analysis; by Cartes T. Jackson, M.D., 25 
SCTENTIFIC INTELL GCan ce: 
Pkysics—On Celestial Dynamics; by Dr. J. R. Mayer, 261: Sources of Heat, 262: 
On the Measure of the Sun’s Heat, 264.--Kirchhoff’s Second Memoir on the Spect : 
An Improved Spectroscope—Analysis of the fixed line D; by Professor Jostan P. 
Cooxe, Jr., 266.—Spectrum of Phosphorus—Green coloration of hydrogen by phos- 
phorus, CurisTorce and BertsTein: Osmium Spectrum, Witutam Frazer, 267.— 
New reaction fur Veratrin, Trarr: Reaction for Molybdenum, Bravs, 263—On the 
quantitative estimation of Arsenic, WiTTsTEIN, 269. 
Technical Chemistry. —On the manufacture ty Pty Chlorine, and Sulphuric and Chlor- 
hi wane hoes ater Tuomas MacFARLAN 
Ph ‘y.——On the excretion of webels in animals, 271. 
uid J 
