INDEX. 
1139 
E. 
Earth-currents, and magnetic calms, 203. 
Earthquake waves, 663 (see Mallet). 
Eclipse, total solar, 333 (see De la Rue). 
Elasticity of gases, 586; of steam, 591. 
Electric conducting power of metals, influence of temperature on, 1. 
Electric light, spectrum of, 599 (see Stokes); 861 (see Miller) ; 939 (see Robinson). 
Electromotive force induced hy variations of terrestrial magnetism, 637. 
Elliptic functions, 417 (see Merrifield). 
Equations of the fifth order, note relative to the theory of, 578. 
F 
Fairbairn (W.) and Tate (T.). On the Law of Expansion of Superheated Steam, 591. 
Flower (W. H.). On the Posterior Lobes of the Cerebrum of the Quadrumana, 185. 
Fluorescent screen, 602. 
Fossil flora of Bovey Tracey, 1019. 
Frankland (E.). On a New Series of Organic Compounds containing Boron, 167. 
Functions, on the calculus of, 265. 
G. 
Glaciers, theory of the motion of, 677 (see Hopkins). 
Gompertz (B.). a Supplement to Two Papers published in the Transactions of the Royal Society, 
“ On the Science connected with Human Mortality,’^ the one published in 1820, and the other in 
1825, 511. 
Gore (G.). On the Properties of Electro-deposited Antimony {concluded), 323. — Second variety (from 
terbromide), 323 ; third variety (from teriodide), 325 ; further particulars respecting first variety, 327 ; 
comparison of varieties, 329; conclusion, 330. 
Graham (T.). Colloidal Condition of Ice, 744. 
H. 
Heat, absorption and radiation of, by gases, 59. 
Heer (0.). On the Fossil Flora of Bovey Tracey, 1039. — Insects, 1082 ; explanation of the plates, 1083. 
Holyhead, experiments on earthquake waves made at, 663. 
Hopkins (W.). On the Theory of the Motion of Glaciers, 677. — Definitions and explanations of 
terms, 678 ; sliding motion of glaciers along the bottoms of the valleys containing them, 683 ; 
pressures and tensions at any point of a constrained solid mass, 690 ; manner in which dislocations 
in a glacier may be produced, 705 ; veined structure, 714; intensity of forces employed in disloca- 
tion, 730 ; possible colloidal condition of ice, 744. 
I. 
Ice, in glaciers, 677 (see Hopkins). 
J. 
Jenkin (F.). Experimental Researches on the Transmission of Electric Signals through Submarine 
Cables. — Part I. Laws of Transmission through various lengths of one Cable, 987. — Appendix s 
Mathematical theory of Professor W. Thomson, 1011. 
