INDEX. 
929 
tions of rarefied media, 138; condition of discharge at negative terminal, 140; stratified discharge 
from both terminals, 143; influence of temperature, 144; on vacua free from vapour of mercury, 
146; carbonic acid vacua, 147 ; on non-conducting vacua, 148; vacua-tubes prepared with arsenious 
acid,' bromine, iodine, pentachloride of antimony, bichloride and bisulphide of carbon, 150; con- 
dition of discharge at negative terminal, 153; general conclusions, 155; notes, 157, 158. 
Gilbert (Dr. J. H.). See Lawes. 
Glaciers, on the physical phenomena of, 361 ; on the veined structure of, 379. 
Glass, strength of, 313 (see Fairbairn). 
Globes and cylinders, strength of, to resist an internal pressure, 313 (see Fairbairn). 
Gore (G.). On the Properties of Electro- deposited Antimony, 797. 
Graphite, atomic weight of, 349. 
H. 
Henerey (Professor A.). On the Anatomy of Victoria regia. Part II., 479. 
himmalayas, effect of attraction of, on the plumb-line in India, 745 (see Pratt). 
J. 
Johnson (R.). See Crace-Calvert. 
Joule (Dr. J. P.). On some Thermo-dynamic Properties of Solids, 91. (For Index, see p. 131.) 
On the Thermal Effects of Compressing Fluids, 133. 
L. 
Land-lizard, description of some remains of a gigantic, 43. 
Lawes (J. B.) and Gilbert (Dr. J. H.). Experimental Inquiry into the Composition of some of the 
Animals Fed and Slaughtered as Human Food, 493. (For Contents, see pp. 493, 494.) 
Life-Tables, on the construction of, 837 (see Farr). 
Lubbock (J.). On the Ova and Pseudova of Insects, 341.— Development of pseudova, 358. 
M. 
Marsupial Carnivore, 309 (see Owen). 
Megalania prisca, 43. 
Megatherium, bones of the posterior extremities of the, 809 ; physiological summary relative to, 833. 
Mercury, conductibility of, for heat, 831. 
Mer de Glace, motion of, 361 ; inclinations of, 375 ; dirt-bands of, 304, 
Merrifielu (Charles W.). On the Comparison of Hyperbolic Arcs, 171. 
N. 
Nitrogenous and non-nitrogenous constituents in animal food and in bread, relation of the, 568 (see Lawes). 
Numbers, theory of, 49 (see Pollock). 
