( 399 ) 
INDEX. 
A 
AeroUtes, Mr Rose’s observations regarding the minerals contained in 
them, 3 68. 
Amsterdam Canal, notice regarding it, 370. 
Anderson, Adam, Esq. his corrections for humidity on the formula for 
measuring heights by the barometer, 224. 
Anthropology, notices in, 37 5. 
Arago, M. notice of his observations regarding the . light of haloes, 
368.— of his opinions regarding the thermometrical state of the 
earth, 366. 
Argonaut, notice regarding the nature of its animal, 387. 
Arts, notices in the, 199 , 390. 
Astronomy, notices in, 366. 
Atmospherical refraction, Mr H. Home Blackadder’s observations on, 
Baader, the Chevalier Joseph de, his description of a hydrometro- 
graph, 271. 
Barometer, Mr Anderson’s corrections on the formula for measuring 
heights by it, 224. 
Bisulcated horse, notice regarding it, 388. 
Blackadder, Henry Home, Esq. his observations on atmospherical re- 
fraction, 66 . — his remarks on the action of fluids upon certain hy- 
drhophic substances, 240. 
Boracic acid, notice regarding its occurrence in lava, 375. 
Bordeaux wines, notice respecting the quantity of them made, 393. 
Botany, notices in, 376. 
Bottle-nose whales, account of two stranded in East Lothian, 339* 
Boue, Dr Aime, his table of the formations which compose the crust 
of the earth, 130. — detached geognostical observations made by 
him, 37L 
British animals, Dr Johnston’s description of several new species of, 
218. 
Brown hematite found encrusting cast-iron pipes, 1 93. 
Burstall and Hill, Messrs, description of a new patent steam-coach 
invented by them, 349. 
Byssoideae, Dr Greville’s description of two new species of, 63. 
C 
Carbonic acid gas, account of its evolution at the Lake of Laach, and 
in the volcanic district of Eifel, 1 91- 
Carmichael, Charles, Esq. his remarks on water as a moving power 
for machinery, 346. 
* Messrs James and Charles, their account of a new method 
for regulating the movements of steam vessels, 159. 
