658 
Index. 
Cognate European Words, Remark- 
able Changes, Additions, and 
Omissions of Letters in certain, 
596. 
Colson (C. G.) on the Circumscribed, 
Inscribed, and Escribed Circles of 
a Spherical Triangle, 589. 
Concluding Remarks by D. Milne 
Home, Session 1873-74, 390. ' 
Conductivity, Electric, 33. 
Conductivity of Bars, Angstrom’s 
Method for, 55. 
Conductivity, Thermal and Electric, 
32, 33. 
Conductivity of Wood, On the Appli- 
cation of Angstrom’s Method to the, 
481. 
Continuants, A new Special Class of 
Determinants, 229. 
Further Note on, 380. 
Corals of the Palaeozoic Period, Mode 
of Growth and Increase of, 498. 
Council, 1872-73, 1. 
1873-74, 207. 
1874-75, 415. 
Curve of Second Sines and its Varia- 
tions, 356. 
Davidson (James) on Titaniferous 
Iron Sand, 523. 
Dewar (James) on Physical Constants 
of Hydrogenium, 49. 
Thermal Equivalents of the 
Oxide of Chlorine, 51. 
- and M‘Kendrick (J. G.), 
on the Physiological Action of 
Light, 100, 110, 179, 513, 534. 
On the Physiological Action 
of Ozone, 211. 
On Latent Heat of Mercury 
Vapour, 380. 
Problems of Dissociation For- 
mation of Allotropic Sulphur— Heat 
of Fermentation, 380, 382. 
and Tait (Professor), Prelimi- 
nary Note on a New Method of 
obtaining very perfect Vacua, 
348. 
Further Researches in very 
perfect Vacua, 628. 
Dichroite and Amethyst, Resem- 
blances of Microscopic Objects in, 
to some of the lower forms of 
Organic Life, 52. 
Dickson (Professor A.) on the Embry- 
ogeny of Tropazolvm speciosum and 
T. peregrinum , 247. 
Dickson (William P.), Obituary 
Notice of Wm. Euing, 491. 
Diffusivities of Fluids, Mode of Deter- 
mining the, 229. 
Dimethyl-Thetine, On some Com- 
pounds of, 382. 
Dimethyl-Thetine, On the Products 
of the Oxidation of, and its Deri- 
vatives, 508. 
Dinornis, Remarks on the Footprints 
of, 236. 
Donaldson (Dr) on Expiatory and 
Substitutionary Sacrifices of the 
Greeks, 535. 
Donations to Library, 186, 396, 629. 
Drift Deposits in Tweed Valley, 
559. 
Durham (Wm.) on Electric Resist- 
ance of Solution, 587. 
Ear, Function of Semicircular Canals 
of, 255. 
Electric Resistance of Solutions, 587. 
Electrical Conductivity of Saline 
Solutions, 545. 
Electricity, Atmospheric, 349. 
Energy, Kinetic Theory of the Dissi- 
pation of, 325. 
Ewing (J. A.) and Macgregor (J. G.), 
Saline Solutions, the Electrical 
Conductivity of, with a Note on 
their Density, 95. 
Expiatory and Substitutionary Sacri- 
fices of the Greeks, 535. 
Fairweather (James C.) on the Re- 
sistance of the Air to the Motion 
of Fans, 351. 
Fans, Resistance of the Air to the 
Motion of, 351. 
Fellows Elected, 80, 89, 114, 185, 
288, 371, 350, 395, 445, 500, 513, 
534. 
Statement as to Number of, 
324, 420. 
Fishes from West Africa, Notice of, 
89. 
Flow of Water through Fine Tubes, 
208. 
Fluid enclosed in Crystal Cavity, 
singular property, Notice of, 
87. 
Fonctions logarithmiques, jtl’aidedes 
tables numeriques, 602. 
Forbes (Professor George), Zodiacal 
Light, Note on, 55. 
Thermal Conductivity of Ice, 
and New Method of determining 
the Conductivity of Different Sub- 
stances, 62. 
