INDEX. 459 
Clover, a new species of, recommended, 452 
Coal strata of England, notice of, 151. New seam of coal dis- 
covered, 453 
Colebrooke, (T. H., Esq.} meteorological observations and diary 
of, on a voyage across the Atlantic, 115—141. Remarks 
of, on the climate of southern Africa, 241—254 
Comet seen at Valparaiso, remarks on, 165. Elements of 
one, 411, 412 
Conchology, remarks on different systems of, 64—66. Analysis 
of Lamarck’s genera of shells, 67—86 
Concretions, intestinal, analysis of, 237 
Conybeare (Rev. W. D.), and Phillips (Wm.), outlines of the 
geology of England and Wales, analyzed, 142. Description 
of the two principal geological basins, 144. Various articles 
found in the London ‘clay, 144. History of the wells of 
London, 145, 146. Supermedial order of rocks, 147. Chalk 
formation of rocks, 148. Oolitic series, 140. Red marl, 
and magnesian limestone, 150. Carboniferous strata or 
medial order of rocks, 150. Account of the coal strata, 151. 
Carboniferous limestone, 152. Old red limestone, 153. 
Trap-stone, zbid. General character of the work, 154. 
Copper (Chinese white), analysis of, 232 
Coral formation of rocks, geological remarks on, 283—295 
Crystalline form and chemical proportions, on the relation be- 
tween, 198—206, 415—418 
Cyanogen, on a peculiar acid formed by the combination of, with 
alkalis, 421, 422 
Damp Walls, effect of, prevented, 433 
Daniell (Mr.), excellence of his hygrometer, 185 
Davy (Sir Humphry), Observations of, on the electrical pheno- 
mena exhibited in vacuo, 165, 166. On the strata of water 
and aériform matter in cavities found in certain crystals, 385 
Davy (Dr. John), remarks on the buffy coat of the blood, 378— 
380; and on corrosive sublimate, 384 
Dendera, remarks on the Zodiac of, 402—410 
Desfosses (M.), on the manner of estimating the quantity of sul- 
phuretted hydrogen gas in sulphureous mineral waters, 445 
Deuchar (Mr.), on the tenacity of glass and siliceous bodies, 439 
Diet of valetudinarians, remarks on, 367, 368 
Doses, remarks on the quantities of, 371, 372 
Dutrochet (M.), on the influence of motion in the direction of 
vegetables, 450—452 
Ductilimetre, or instrument for measuring the ductility of cer- 
tain metals, notice of, 221, 222 
Earle (Henry, Esq.), observations of, on the effects of galva- 
nism on the nervous system and its disorders, 111— 114; on 
the mechanism of the spine, 380 
