. 
ii | | CONTENTS. a : 3 
: : is ? : . : age. ba 
ae XV. The Daguerreotype and its Applications ; by W. H.Goope, 137 
i XVI. Supplementary Note to the Article on the Pneumatic Par- : 
ani in the last number of this Journal ; ona 
’ XVIL. Mite Otscrvationsil Enact &c.; by Dr. Joun 
MMER 146 
— “Terrestrial Magnesisth ; fy Prof. fia Loot M. D., 149 . 
XIX. Electrography or the Electrotype ; by the Junior Editor, .. 167 © 
XX. Bibliographical notices :—Report on the Tea Plant of Up- q 
per Assam, 165.—Report of M. Guillemin, 167.—The 
Spiritual Life of Plants, 170. —The Journal of Botany, 
&c., 172.—Hooker’s Flora Boreali-A mericana, or the Bo- 
4 any. of the Northern parts of British America, 173.—End- 
licher’s Genera Plantarum: Enumeratio Chenopodearum: _ 
Stendel’s Nomenclator Botanicus : Caricography : Fossil 
Infusoria in England, 174.—Chemical composition of cel- 
lular and woody tissue in Plants, 176.—Organic Chemis- 
try in its applications to Agriculture and rl Sn 177—. 
> 
* 
a * 
Report on the Geological and Agricultural Survey of the 
5 State of Rhode Island in 1839,'182.—History of Embalm- * 
yt . ing*and of Preparations in Anatomy, ern O and Natu- ‘ 
= ral History, including an account of a ne % ess fo — 
Lia, * balming, 19 OM, Géicial Outline of imal King. — 
bg i Goriy: Boston Journal of Natural History, . =-Supple-.. = 
ry ment monic to the Atomic Theory, 197. : _ 
es | MiscenaNens — orticultural Experiments, 197.—Volcanic sae * ; 
—* , 1928. African Meteorite of Cold Bokkeveld, 199—Fur- 
ier account of the Shooting Stars of August, 1840, 201—. 
ioe November, 202.—Meteoric Observations inOcto- ‘i 
er and December, 1840, 203. —Meteorological Notes in 1741— : 
bt —Galle’s Three Comets: New Comet: Manufac- a 
7 ture of Glass for Optical Instruments, 207. —Parasite ot the #? 
ee - “) eggs a the Geometra vernata, 211.—Circular of the ‘Royal P 
x a Society of Northern Dis teierians 212.—Level of the Dead | 
+- Sea: Preservation of Timber: Preservation of ‘Timber long : 
sunken under water, 213.—New process for making Sulphu-" 
al - ric Acid, 214.—Oxalic: Ether with Chlorine: Elaterite, or Fos- ©” 
, > sil Caontchouc, 215:—Gold i in France: Artificial preparation 
, of Sugar: Action of Alcohol upon Alkalies, 216. —Todin: ings 
Coal ‘s hew species of Kangaroo, 217. —Proceedin 
Te Meeting of the British Association : Necrology, 218. 
