616 



INDEX. 



DALZEL (ANDREW), on certain analogies observed 

 by the Greeks in the use of their letters, and parti- 

 cularly of the letter J.iyi*.«.. L. C. ii. 111. 



M. Chevalier's tableau de la plaine de Troye 



illustrated and confirmed from the observations of 

 subsequent travellers and others. L. C. iv. 29. 



DAVIES (T. S.), inquiry into the geometrical cha- 

 racter of the hour lines upon the antique sun dials. 

 xii. 77. 



on the equations of loci traced upon the sur- 

 face of the sphere, as expressed by spherical co- 

 ordinates, xii. 259, 379. 



DAVY, M.D. (JOHN), observations on atmospheric 



electricity, xiii. 440. 

 DEWAR (DR HENRY), observations on the theory 



of language, vii. 387. 



on the education of James Mitchell, the 



young man born blind and deaf. viii. 137. 



DIALLAGE, remarks concerning the natural-histori- 

 cal determination of. x. 127. 



DIALS, inquiry into the geometrical character of the 

 hour lines upon the antique sun dials, xii. 77. 



DIAMOND, on the combustion of the. H. v. 11. 



on the optical properties of the. viii. 157. 



DICK, BART., M.D. (SIR ALEXANDER), biogra- 

 phical account of. H. ii. 58. 



DISKO ISLAND, on the mineralogy of. ix. 263. 



DOIG (DR DAVID), on the ancient Hellenes. 

 L. C. iii. 131. 



DRUMMOND (DR J. L.), on certain appearances 

 observed in the dissection of the eyes of fishes, 

 vii. 377. 



DRYSDALE, D.D. (JOHN), biographical account 

 of. H. iii. 37. 



DUGONG, observations to determine the dentition of 

 the. xi. 389. 



DUNBAR (PROFESSOR GEORGE), an examina- 

 tion of Dr Parr's observations on the etymology of 

 the word sublimis. x. 349. 



DUNBLANE, analysis of the mineral waters of. Dr 

 J. Murray, vii. 445. 



DUNCAN, Senior, M.D. (ANDREW), case of ob- 

 stinate singultus. H. i. 27. 



DUNCAN, Junior, M.D. (ANDREW), on muda- 

 rine, the active principle of the bark of the root of 

 the calotropis mudarii. xi. 433. 



DUNCAN (REV. DR HENRY), account of the 

 tracks and foot-marks of animals found impressed 

 on sandstone in the quarry of Comcockle-Muir in 

 Dumfries-shire, xi. 194. 



DUNDAS, OF ARNISTON (RIGHT' HON. RO- 

 BERT), biographical account of. H. ii. 37. 



DUNDONALD (EARL OF), on a new method for 

 purifying sea-salt. H. i. 19. 



DUNLOP (JAMES), observations made in Scotland 

 on the distribution of the magnetic intensity, xii. 1. 



DYCE (DR WILLIAM), on uterine irritation, and 

 its effects on the female constitution, ix. 365. 



EARTH, theory of the. P. C. i. 209. 



investigation of theorems relating to the figure 



of the earth, v. 3. 



on the revolutions of the surface of the. 



vii. 139. 

 on the diffusion of heat at the surface of the. 



vii. 411. 

 on the consolidation of the strata of the. 



x.314. 



EARTHQUAKES, account of repeated shocks of, felt 

 at Comrie in Perthshire. P. C. iii. 240. 



EDINBURGH, on the rocks in the vicinity of. 

 vi. 405. 



EIDOGRAPH, description of the. xiii. 418. 



ELECTRICITY, experiments relating to animal elec- 

 tricity. P. C. iii. 231. 



on the action of voltaic electricity on alcohol, 



ether, and aqueous solutions, xiii. 315. 



observations on atmospheric, xiii. 440. 



ELECTRO-MAGNETIC experiments and observa- 

 tions, ix. 465. 



ELECTRONOMETER, on a new, and the heat ex- 

 cited in metallic bodies by a voltaic electricity, 

 xii. 20. 



ELLIOT (REV. THOMAS), an improvement of the 

 method of correcting the observed distance of the 

 moon from the sun, or a fixed star. P. C. i. 191. 



ELLIPSE, investigation of a formula for the rectifica- 

 tion of any arc of an ellipse, v. 251. 



ELLIPSIS, a new series for the rectification of the, 

 with observations on the evolution of a certain alge- 

 braic formula. P. C. iv. 177. 



EQUATIONS OF LOCI, on the, traced upon the 

 surface of the sphere, xii. 259, 379. 



EVIDENCE, remarks on a mixed species of, in mat- 

 ters of history, v. 119. 



EYE, observations on the comparative anatomy of 

 the. x. 43. 



FAROE, description and analysis of a mineral from. 



xiii. 46. 

 FAROE ISLANDS, account of some geological facts 



observed in the. vii. 213. 



account of the mineralogy of the. vii. 229. 



on the mineralogy of the. ix. 461. 



FERGUSON (ADAM), minutes of the life and cha- 

 racter of Dr Joseph Black. H. v. 101. 



FERGUSON (DR WILLIAM), on the poisonous 

 fishes of the Caribbee Islands, ix. 65. 



extract from inspection-report of the island 



of Trinidad, ix. 93. 



on the nature and history of the marsh poison. 



ix. 273. 



FERGUSONITE, description of, a new mineral spe- 

 cies, x. 271. 



FILICES, observations on the germination of the. 

 x. 263. 



FIRE, dissertation on the philosophy of. H. iv. 7. 



