iv CONTENTS. 
W. Auten Mitrer, 103.—3. On the Long Spectrum of 
Electric Light; by Prof. Gzorce G. Stoxes, 108.——-On the 
Reflexion of Polarized Light on Polished Surfaces ; id the 
Rev. Samuet Haveuton, 109. 
SCIENTIFIC INTELLIGENCE, 
Physics. —-Gemsbart eres Kozeun, 111.—Conductibility and specific heat of 
Thallium, De La Rive, 113. 
Chemistry.—On the ‘iia fluo-tungstates and silico-tungstates, Martanac, 113.— 
On the preparation and properties of a Jenene Bunsen: On the prepara- 
tion and properties of metallic magnesium, H. Sainte-Cxiaire Deviiie and H. Ca- 
kon, 114.—On the chemical constitution ree the bites rock oil, ScHORLEMMER ; 
w organic compounds of silicon, FrigpEL and Crarrs, 115.—On the col- 
oration of flame by phosphorus and its compounds, CurisToPLe and Beitstein, 116. 
Analytical Chemistry.—On estimation of nitric acid by conversion into ammonia, 116. 
Mineralegy and Geology.—Annual Report of the State Geologist of California for the 
year 1862, 118 seedy of Childrenite at Aries sn in Maine, 122.—On the Height 
De = 
Fossil Remains of a long-tailed Bird 
from jhe ikasepiic alate of Balenhoten - by Prof. Richarp Owen, F.R.S., 127. 
Botany ond Zoology. —Botanical Papers in the Transactions of the St. Louis Academy of 
Science, i28.—The Enumeration of the Species of Plants collected by Dr arry 
P. Harbour, in the Rocky Mountains: Paullinia sorbilis 
and its products, 129.—Aerial rootlets on the stems of Virginia Creeper (Ampelopsis 
quinquefolia): Martius, Flora Brasiliensis: Dr. Charles Wilkins Short, 130.—The late 
Wn. Darlington, 132. 
RE on ‘the genus Unio, etc.; by Isaac Lea, LL.D., 139.—Researches 
upon the Anatomy and Physiolegy of Respiration in the Chelonia; by S. Weir. 
Mircui.y, M.D., and Georce R. Morenovuss, M.D., 141. 
Astronomy and Meteorology.— Discovery of Asteroid (78): Comet II, 1863: Comet pee 
1863: Observations of the Zodiacal Light; by Stittman Masterman, 143.—Resul 
of Observations of Variable Stars at ‘Weld, — Co., isamkde by SULLRE Mas 
TERMAN. 144.—Evidence of th al 
of early star-showers, H. A. pewsion, 145. —The meteoric iron from Newstead, 149. 
_ iron from Sarepta, 150.—Meteori rom ‘Tuescn, Arizona, 
Meteor of April 19th seen at Philadelphia, 154, 
Scientific oe oe ake | ae on Stellar Spectra, L. M. Ruruerrvury, 154. | 
Miscellaneous Scientific Intellig a system of Mounting lost for the Microscope ; 
by Henny T. Vicxrns, B.A, 1 —Collection of Minerals and Chemical Apeartus 
of the late Prof. Manross, 158.—Transacti f th di 
Note on Sneecteans: Officers of the American Academy 
1863, 159. 
{ Arts and Sciences, for 
Book Notice —Chauene! Spherical and Practical pc 
