Yll 
Johnson I?. — Hardness of Metals and Alloys, p. 41. Specific Gravity of 
Alloys and Amalgams, p. 44. 
Jones Kev. H. H., P.R.A.S. — Spots on Jupiter, p. 15. Rain at Rugby, 
p. 25, p. 00. Height of Atmosphere, p. (37. Obituary Notice of, p. 125. 
Joule J. P., LL.D., F.R.S., V.P. — Expansibility of Gutta Percha, p. 65. 
Correction of “ Earth Currents,” p. 66. Dalton’s Determination of 
Expansion of Air, p. 67. Velocity of Wind, p. 67. Utilization of 
Sewage, p. 75, p. 81. Heat, Immaterial, p. 93. Polished Iron Rust, 
p. 137. Total Heat of Steam, p. 175. Test for Steam Boilers, p. 175, 
p. 233. Efflux of Air, p. 233. 
Kirkman Rev. T. P., M.A.,F.R.S., Hon. Mem. — Triedral partitions of the 
i--ace, and the triangular partitions of the x-gon, p. 11. Fellowships at 
Owens College, p. 12. General Solution of Problem of Polyedra, p. 25. 
Tactic Calculus, p. 28. Absurdity of Ontology and Vanity of Meta- 
physical Demonstrations, p. 38. New Formula in Polyedra, p. 41. 
j-nodal ^-partitions of the r gon, p. 113. 
Long I. W., F.R.A.S — Disk of Jupiter, p. 199, p. 225. 
Lowe G. C — Compensated Pendulum, p. 218. 
Lvnde J. G., F.G.S.— Strength of Cast Iron Girders, p. 156. Photography 
of Microscopic Objects, p. 176. Circulation of the Valisneria, p. 214. 
Me. Connell VV. — Erosion of Boilers, p. 103. 
Me. Dougall a. — S ewage, p. 79, p. 80. 
Molesworth Rev. W. N., M.A. — Social Laws, p. 122. Politico-Economical 
Doctrines, p. 203. 
Moore J., F.L.S. — Obituary Notice of, p. 49. 
Morris . — Resistance of Ships, p. 87. 
Mosley G — Microscopical Examination of Flour, p. 259. Marine Aquaria, 
p. 261. 
Nicholls J. A., F.R.A.S Obituary Notice of, p. 144. 
Ormerod H. M., Treasurer. — Oxydized Iron Injuring Buildings, p. 136. 
Parry J. — Microscopic Photographs, p. 177, p. 215. 
Pearson R. W — Applications of the Chromates of Potash in Metrical Analysis, 
p. 4. 
Ransome a. — M edical Meteorology, p. 234. 
Ransome j. a., F.R.C.S. — Gutta Percha, p. 112. Improvements of Air 
Pumps, p. 181. 
