16 



GENERAL INDEX TO THE ELEVEN VOLUMES OF 



Dechen and Oeynhauien on the junction 

 of granite and killas in Cornwall, v. 

 161,241. 



Decomposition of water by galvanized 

 wires, viii. 229. 



Dekey's (J. E.) discovery of coprolites 

 in North America, vii. 321. 



De la Beche (H. T.), classification of 

 European rocks, vi. 440 ; vii. 1 89. 



, collections in foreign geology, ii. 



1, 95, 168, 253. 



— — on the formation of conglomerate 

 and gravel deposits, vii. 161. 



, Geological Manual, xi. 46. 



on the geology of the shores of the 



gulf of La Spezia, vii. 143. 



on the geology of Nice, v. 134,384. 



on the geology of Weymouth, vii. 



454. 



on Oltmann's tables for calcula- 

 ting heights by the barometer, iv. 1 94. 



on the oolitic series of England 



and France, viii. 35, 208 ; on the dis- 

 tribution of organic remains in that 

 series, vii. 81, 202, 250, 334. 



on the secondary stratified rocks, 



vi. 213. 



on the excavation of valleys, vi. 241. 



De la Roche's experiments on heat, viii. 

 329. 



Del Rio (Prof.), his analysis of two new 

 mineral substances, iv. 113. 



Desormes (C), new phaenomena of va- 

 pour observed by, iii. 74. 



— -, experiments on currents of air, 

 Mr. Younge on, iii. 282. 



Desnoyers on the chalk of the Cotentin, 

 ii. 253. 



Peutoxide of manganese, iv. 34. 



Diamond, method of exhibiting the com- 

 bustion of, vii. 407. 



, Mr. Braylcy on the origin of the, 



i. 147. 



Dichotomous system, Mr. W. S. Mac- 

 Leay on the dying struggle of the, 

 vii. 431 ; viii. 53, 134, 200. 



Dicotyledonous plants, remains of, in 

 the great coal formation, viii. 20. 



Dictionary, English, Dr. Webster's, ix. 

 396. 



Differences, theory of, S. Sharpe on the 

 x. 137. 



Differential barometer, v. 305. 



Digestion, on the functions of, v. 304. 



Diluvial currents of Yorkshire, ii. 138. 



, deposits of Caernarvonshire, Mr. 



Trimmer on the, x. 143. 



Diopside, Dr. Wackenroder's examina- 

 tion of, iii. 349. 



Diptera, Mr. W. S. MacLeay on the 

 larvae of, ii. 178. 



Disinfecting apparatus, on a, xi. 205. 



properties of alkaline chlorides, i. 



232. 



Dolphins, Mr. Gray's description of the 

 skulls of two species of, ii. 375. 



Don (D.) descriptive catalogue of Dr. 

 Gillies's Composites, xi. 387 ; on the 

 cascarilla bark plant, xi. 455. 



on the tree yielding gum ammo- 



niacum, ix. 47. 



Double stars, calculation of their orbits, 

 ix. 178. 



" Double- water-screw", of 'The Century 

 of Inventions', on the, xi. 308. 



Dracine, new substance found in dra- 

 gon's blood, ii. 394. 



Dragon's-blood, dracine found in, ii. 

 394. 



Drummond's (Mr.) rule for boroughs, 

 remarks on, xi. 360. 



Dunnochgoil, Mr. S. Sharpe on the vi- 

 trified fort of, iv. 123. 



Dunn's (J.) improved air-pump, iv. 145. 



Durability of stones, viii. 224. 



Dyeing drugs, i. 55. 



Dynamics, iv. 338. 



Dynamico-chemical principle, Mr. Wa- 

 terston's,x. 170; alteration and errata 

 in, x. 317. 



E. W. B. See Brayley (E. W. Jun.). 



Ear, on the, vii. 287. 



Earth, dimensions of the, vii. 409. 



, ellipticitv of the, iv. 179, 364. 



, figure of the, iii. 165, 206, 241 ; 



v. 205; vi. 272; vii. 241, 412. 



, figure of the, Mr. Galbraith on, ii. 



48, 321. 



, Mr. Ivory on, ii. 343. 



, limits within which an occupation 



is visible on the surface of the, ix. 90. 



Earth's surface, on the shortest distance 

 of two points on the, viii. 30, 134. 



Earthquakes, iii. 463 ; iv. 55, 56. 



, at the Cape of Good Hope in 



1809, ix. 71. 



Echeveria, new account of the genus, iv. 

 261. 



Eclipse of the moon in 1830, on the cal- 

 culations of the, viii. 388. 



, solar, of Nov. 29, 1826, ii. 76. 



Eclipses, theory of, additions to, viii. 268, 

 342, 417. 



Ecliptic, obliquity of the, viii. 13, 241. 



