x CONTENTS. 
Mr. F. Gatton on the “ Boussole Burnier,” a new French Pocket Instrument 
for measuring Vertical and Horizontal Angles. .....--+seeseee seen eens 
——- on European Weather-Charts for December 1861.......... 
Dr. GrapsToNE on the Distribution of Fog round the Coasts of the British 
AUS Renae ded orrspns state wie teis bee Stl Shi s= ‘aay Dla" ae are ape ju arbre wysieye Sow wi ayer aye (lofeh> Seekomnaegal 
Mr. J. GuatsHEeR on a New Barometer used in the last Balloon Ascents .... 
Mr. J. Park Harrison on the Additional Evidence of the Indirect Influence 
of the Moon over the Temperature of the Air, resulting from the Tabulation 
of Observations taken at Greenwich in 1861-62. .......... 0 eee eeeeneees 
Professor Hennessy on the Relative Amount of Sunshine falling on the 
MMorrid) Aone Of Ghee HATED versie a)sseha) o/6\0 ») 'eis'se-aiayope/aiaia ¢(ors\e 0\0.0) > a ole eleteimil aes 
Mr. E. J. Lowe on the Hurricane near Newark of May 7th, 1862, showing 
the force of the Hailstones and the violence of the Gale .........++00005 
Mr. Ropert Mauuet’s Proposed Measurement of the Temperatures of Active 
Volcanic Foci to the greatest attainable Depth, and of the Temperature, 
state of Saturation, and Velocity of Issue of the Steam and Vapours evolved 
Mr. T. L. Puant on Meteorology, with a Description of Meteorological Instru- 
TITIES se) oleh ays) ofetetolleeivln/alishateie sy2- 6, dlays oi) slgiaiel ets (e/e’a «la: 6i5, aiulwleim sletolp iets otaleteeneys 
Rey. T. Ranx1n’s Meteorological Observations registered at Huggate, York- 
RRR WEP Pore tWolesa inca avarslaevasetesisiele sere) colons) ove 6tain\a\ nin fo ue (elsYahslr Wiel aint opahateteeite 
Mr. S. A. Rows11’s Objections to the Cyclone Theory of Storms.......... 
Mr. G. J. Symons on the Performance, under trying circumstances, of a very 
small Anefoid Barometer... .......s ccc ccs s esters setsreeecevemecee 
Professor James THOMSON on the Disintegration of Stones exposed in Build- 
ings and otherwise to Atmospheric Influence ...........seee ener eeeeees 
CHEMISTRY. 
Address by Professor wW. H. Miter, M.A., F.R.S., President of the Section 
Mr. Groner BowvieR BucxrTon on the Formation of Organo-Metallic Ra- 
dicals by Substitution 6.2... cee wee elec dvee esc ce veins soialawilns 
Mr. DuGaLp CAMPBELL on the Action of Nitric Acid upon Pyrophosphate of 
IER OSIBIM aye: nlels winie «elscals efe\s 5,0 + 51s afer) + c)o\e Woln)s\e ele folalais  ojetsi~'al+ otetet= eieemmy oie 
M. A. Drs CLorzEAvx sur les modifications temporaires et permanentes que la 
Chaleur apporte 4 quelques propriétés optiques de certains, corps cristallisés 
Mr. J. P. Gasstor on the Mode of preparing Carbonic Acid Vacua in large 
(IRR HESE Gl EIS Ay RIOR ASL SO CHER CROMER ao SITE meno or yaae ab o/k ¢ tees 
Dr. J. H. GLADSTONE on the Essential Oil of Bay, and other Aromatic Oils. . 
on the Means of observing the Lines of the Solar Spec- 
trum due to the Terrestrial Atmosphere ...........cessseeevccerereces 
Mr. A. Vernon Harcourt on a particular Case of induced Chemical Action 
DreGHantEy on Schonbein’s'Antozone 25. ./ci.% sacs odie) oie ole oe Cer 
Mr. W. H. Harris on the Adulteration of Linseed Cake with Nut-cake ... 
Mr. CHartes Herscu on a Simple Method of taking Stereomicro-photographs 
Ni By. 0 Low on-his'OzonesBOxe *s\ 51.70% «seule oc o' cea tee crore ete A a teats 
Observataons’on Ozone. of. Se es wee oes sere eee 
Dr. Morrar on the Luminosity of Phosphorus ..............00000: 436%: 
WV. OpriIng on Herrous AGid 2758. ob se ek ao Bale a tata oils Ge 
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