INDEX. 
1417 
On the action of the vagus nerve, 1005; the effect of atropin, muscarin, and curare upon the action 
of the vagus, 1022; conclusion, 1026; postscript, cause of the sequence of the ventricular on the 
auricular heat, 1031; description of figures, 1032. 
Gilbert (J. H.), Lawes (J. B.), and Masters (M. T.), 1181 (see Lawes). 
Glazebrook (R. T.). On the Refraction of Plane Polarized Light at the Surface of a Uniaxal Crystal, 
595. 
Gra/phite in a meteorite , 893. 
Gray (T.) and Milne (J.), 863 (see Milne). 
Gunpowder, chemical theory of, 523. 
H. 
Heart of the Frog, rhythm of, 993. 
Heat , effects of, on certain haloid compounds of silver, &c., 1125 (see Rodwell); specific, and heat of 
transformation of the same compounds, 1169 (see Bellati). 
Heat , radiant, conversion of, into sound, 291 (see Tyndall). 
Htjlke (J. W.). An Attempt at a complete Osteology of Hypsilophodon Foxii; a British Wealden 
Dinosaur, 1035.—Postscript, 1055; explanation of plates, 1057. 
Hypsilophodon Foxii, osteology of, 1035. 
I. 
Invariants, on a class of, 751. 
K. 
Kunkel (Dr.), examination of recent researches of, 2 (see Sanderson). 
L. 
Lawes (Sir J. B.), Gilbert (J. H.), and Masters (M. T.). Agricultural, Botanical, and Chemical 
Results of Experiments on the Mixed Herbage of Permanent Meadow, conducted for more than 
Twenty Tears in succession on the same Land.—Part II. The Botanical Results, 1181 (for contents 
see p. 1181). 
Lepidosteus, structure and development of, 359; systematic position of, 430. 
Lepidosteus osseus, development of the skull in, 443. 
Lewis (W. B.). On the Comparative Structure of the Brain in Rodents, 699.—External conformation 
of brain in the Rat and Rabbit, 699; central projections of the olfactory organ, 726. 
Light, velocity of white and of coloured, 231 (see Young). 
Lucifer, development and metamorphosis of, 57. 
M. 
Magnus, examination of his experiments on the absorption of radiant heat by gases, 301 (see Tyndall), 
Malet (J. C.). On a Class of Invariants, 751. 
Manures, effect of, on permanent meadow, 1181 (see Lawes). 
Masters (M. T.), Lawes (J. B.), and Gilbert (J. H.), 1181 (see LAwes). 
