488 INDEX. 



M. 



Magnetism, diurnal variations of earth's, produced by moon and sun (CHAPMAN), 279. 

 Magnetism, terrestrial, and sunspots, some phenomena of (CHBKE), 245. 

 Metals, capacity for heat of, at different temperatures (&BIFFITHS), 119. 



N. 

 Nebular hypothesis and gravitational instability (JEANS), 457. 



P. 



Pressure produced in detonation of explosives or by impact of bullets, method of measuring (IIopKiNSON), 437. 

 PYE (D. R.). See JENKIN and PIE. 



R. 



Refraction and dispersion of halogens, halogen acids, ozone, &c. (CCTHBEBTSON), 1. 



S. 



SAMPSON (R. A.). On a Cassegrain Reflector with Corrected Field, 27. 

 Self-inductance of circular coils of rectangular section (LYLE), 421. 

 SOUTHWELL (R. V.). On the General Theory of Elastic Stability, 187. 

 Spectra, constitution of, and the atomic weight term (HiCKs), 323. 

 Stability, general theory of elastic (SOUTHWELL), 187. 

 Sunspots and terrestrial magnetism, some phenomena of (CHBEE), 245. 



HABBI80X AlfD SOUS, PBIKTBBS IN ORDINAEY TO HIS MAJESTY, ST. MABTIN's LANE, LONDON, W.C. 



