616 
DALZEL (ANDREW), on certain analogies observed 
by the Greeks in the use of their letters, and parti- 
cularly of the letter 2yze. 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. 187. 
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. vy. 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. 877. 
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, Sentor, 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 Corncockle-Muir in 
Dumfries-shire. xi. 194. 
DUNDAS, OF ARNISTON (RIGHT HON. RO- 
BERT), biographical account of. H. ii. 37. 
DUNDONALD (EARL OF), on anew 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, 
INDEX. 
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 yoltaic 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 (REY. 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 are of an ellipse. vy. 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. 218. 
account of the mineralogy of the. 
on the mineralogy of the. ix. 461. 
FERGUSON (ADAM), minutes of the life and cha- 
racter of Dr Joseph Black. H. y. 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. 278. 
FERGUSONITE, description of, a new mineral spe- 
cies. x. 271. 
FILICES, observations on the germination of the. 
x. 263. 
FIRE, dissertation on the philosopliy of. 
vii, 229, 
H. iv. 7. 
