INDEX. 
1141 
Quadrumana, cerebrum of, 185. 
Q. 
R. 
Radiation of heat by gases, 59. 
Reflecting power of bodies for invisible rays, 600, 875. 
Rhynchosaurus articeps, 466. 
Robertson (C.) and Rolleston (G.). On the Aquiferous and Oviducal System in the Lamellibranchiate 
Mollusks, 29. 
Robinson (T. R.). On Spectra of Electric Light as modified hy the Nature of the Electrodes and the 
Media of Discharge, 939. — Discussion of results, 974. 
Rolleston (G.) and Robertson (C.). On the Aquiferous and Oviducal System in the Lamellibranchiate 
Mollusks, 29. 
Russell (W. H. L.). On the Calculus of Symbols (Second Memoir), 253. 
On the Calculus of Functions, 265. 
S. 
Signals, transmission of, through submarine cables, 987. 
Spectra of metals and gases, visible rays, 939 (see Robinson); invisible rays, 599 (see Stokes); 861 
(see Miller). 
Spectrum of carbon (see Carbon ) ; of elective light (see Electric Light), 
Spinal cord, development of, in Man, &c., 911. 
Spongiadee, anatomy and physiology of, 747, 1087 (see Bowerbank). 
Spottiswoode (W.). On the Contact of Curves, 41. 
On the Calculus of Symbols, 99. 
Steam, superheated, on the law of expansion of, 591. 
Stenhouse (J.). On Larixinic Acid, a crystallizable volatile principle found in the Bark of the Larch 
Tree, 53. 
Stewart (B.). On the Nature of the Forces concerned in producing the greater Magnetic Disturbances, 
621. — Note by W. Thomson, 637. 
Stokes (G. G.). On the Long Spectrum of Electric Light, 599. — Introduction, 599; fluorescent screen, 
602; metallic lines, 603; absorption by alkaloids, &c., 606; minerals, 610; broad electrodes, arc 
discharge, 615; heating of electrodes, 618. 
Symbols, calculus of, 99 (see Spottiswoode) ; 253 (see Russell). 
T. 
Tate (T.) and Fairbairn (W.). On the Law of Expansion of Superheated Steam, 591. 
Telegraph submarine cables, transmission of signals through, 987. 
Thermal effects of fluids in motion, 579 (see Joule). 
Thomson (W.). Note on the Electromotive Force induced in the Earth’s Crust by Variations of 
Terrestrial Magnetism, 637. 
■ Note from, relative to the Mathematical Theory of the Transmission of Signals through 
Submarine Cables, 1011. 
Thomson (W.) and Joule (J. P.). On the Thermal Effects of Fluids in Motion, 579 (see JouleL 
Transparency, photographic, of bodies, 861 (see Absorption). 
