432 
INDEX. 
K. 
Kennedy (G\). See Pboudman, Doodson and Kennedy. 
Kinetic theory of a gas, Part IT. (Chapman), 115. 
M. 
MacMahon (P. A.). Seventh Memoir on the Partition of Numbers : a Detailed Study of the Enumeration of the Partitions 
of Multipartite Numbers, 81. 
Merton (T. R.) and Nicholson (J. W.). On Phenomena relating to the Spectra of Hydrogen and Helium, 237. 
Meteorites, photographic spectra of (Crookes), 411. 
N. 
Nicholson (J. W.). See Mekton and Nicholson. 
P. 
Partitions of numbers, seventh memoir on (MacMahon), 81. 
Pkoudman (J.), Doodson (A. T.) and Kennedy (G-.). Numerical Results of the Theory of the Diffraction of a Plane 
Electromagnetic Wave by a Perfectly Conducting Sphere, 279. 
S. 
Selenates, monoelinic double, of the nickel group (Tutton), 199. 
Spectra of hydrogen and helium (Mekton and Nicholson), 237. 
Spectral series, a critical study of, Part IV.—spark spectra (Hicks), 361. 
T. 
TbkazAwa (K.). On Periodic Disturbance of Level arising from the Load of Neighbouring Ocean Tides, 35. 
Tides, periodic disturbance of level arising from (Terazawa), 35. 
Tutton (A. E. H.). Monoclinic Double Selenates of the Nickel G-roup, 199. 
X. 
X-rays and the theory of radiation (Bakkla), 315. 
PRESENTED 
2 1JAM1919 
HABBISON AND SONS, PRINTERS IN ORDINARY TO HIS MAJESTY, ST. MARTIN’S LAKE, W.C. 2. 
