lv ; CONTENTS. 
Page 
Conversion of Cannon Balls into Plumbago.......... nig aiewa COED pia be Semeae 
New Scientific BOOKS «6... sage cess aceuclsete daciieess sete Sete siatsers 78 
New Patents... sicqoven carga tes sips s'gigih oeGes Mes ah eilecsatcewees 78 
Mr. Howard’s Meteorological Jourtal’ for May. cis < stncettaer compas 79 
——— 
NUMBER II.—AUGUST. 
Geological Remarks. By T. Weaver, Esq. MRIA. &c..........2000000 81 
Extracts from the Journal of a Survey to explore the Sources of the Rivers 
Ganges and Jumna. By Capt. J. A. Hodgson (concluded)........s006 99 
Ona New Lead Ore. By H. I. Brooke, Esq. FRS. and FLS...,....... 117 
Account of Dr. Hare’s improved Deflagrator. ......-.....eeeeeeeceeeeee 119 
On the Detection of very minute Quantities of Arsenic and Mercury. By 
FeSmithson; sq cS. ction saele ae euts Adee Wabiseeed tape ee 127 
Apparent Place of § Urs Minoris for 1829, By J. South, Esq. FRS... 129 
Account of Fossil Teeth and Bones discovered in a Cave at Kirkdale, in 
Yorkshire. By the Rev. W. Buckland, FRS. &c. (With Two Plates.) 133 
On Diaspore. By J. G, Children, Esq. FRS. 8&c..........02eeceeeeees 146 
Analytical Account of Memoirs of the Astronomical Society of London, 
A) eee eee So dina wisinn'e elemle wae Ubiele's eiseie'e oie wiles 148 
Proceedings of the Royal Societys. o's 5. Fa seals o> des e036 smawavbe agiee 153 
Hydgiodide: of Carbon dsicpeisweds wei ban nth seeipg sine enadaae Ie Slepmlge See 153 
General Return of Copper ented 3 in Great Britain and Ireland in One 
Year ending June 30; ISB vesis.<it< lac }-ihl- « « vtavsivwiswiels alesse aa 154 
Attraction of Moisture by Peroxide of Copper............- seit tide vee 154 
Influence of Green Fruits upon the Air. ........00eseeeeeee eres seveee 154 
Chloride of Gold and Sodiuny, ...5..: cess. cccces cceeccecee segauves sees 156 
Compound of Hydrogen and Tin. ........cecceccseeceecerecesceeceese 156 
Frauenhofer’s Experiments on the illuminating Power of the Prismatic 
Rayateren civis ds'es-sing «te domawesias seduces padUere us dace te ee oun 157 
New: Scientific Books: .. 53525 PSH oe Od weet ccnctsd ea eee oe eee 157 
Mew. Patents «sb vsesigenis aayeout th eregpyewesth +s de-pieeuaaeaeemel 158 
Mr. Howard's Meteorological Journal for June ..........0022-005 cs 159 
—a 
NUMBER III.—SEPTEMBER. 
On the Composition of Common Verdigris. By R. Phillips, FRS. &c.. 161 
Experiments and Calculations for comparing the Force of a Body in Mo- 
tion with Dead Weight.. By Col. Beaufoy, FRS..........-..+++s00. 165 
Astronomical Observations. By Col. Beaufoy, FRS.......-....+... aant 17 
On Sounds excited in Hydrogen Gas. By John Leslie, Esa. FRSE. &c. 172 
Account of Fossil Teeth and Bones discovered in a Cave at Kirkdale, in 
Yorkshire. By the Rev. W. Buckland, FRS. FLS. &c. (concluded)... 173 
Additional Remarks on the Influence of Moisture in medifying the Spe- 
cific Gravity of Gases. By J. Apjohn, MD.......+++-+++00+ wore ae ey 195 
