INDEX 



375 



wires under load, 76 ; experiments on thermo- 

 electricity, 77 



Muscular Contraction, electrical effects of, 65 

 Museum of Science and Art, Lectures in, 252 

 Musselburgh Golf Course, 54 



Nabla, in quaternions, name suggested by W. 

 Robertson Smith, 143 ; name discussed by 

 Maxwell, 143-144 ; the Chief Musician upon, 

 145, 171 ; Tail's development of, 167; Max- 

 well's names for results of, 167 ; and Alban, 

 Headstone's soliloquy on, according to Maxwell, 

 244 



Natanson, J., kinetic theory of gases, 1 1 1 



Natural Philosophy Chair at Edinburgh, 16 



Natural Philosophy, Thomson and Tail's, 21, 23, 

 142, 176-204, 208; reception of, 185-186; 

 second edition, 228 ; Elements of, 197-201 



Nature, conlributions to, 24, 26, 27, 28, 58, 247, 

 249, 251, 253, 255, 256, 257, 258, 260, 262, 278, 

 281-295, 321-328 ; Reports of R. S. E. meet- 

 ings, 31 ; Tail's books reviewed in, 201, 203, 

 229, 230, 233, 241 ; Chrystal's notice of Tail in, 

 42, 204 



Neaves, Lord, Presidenl R. S. E., 30 



Nebulae, Tail's views of, 246 



Nevis, Ben, Observatory, 87 ; superintendent of, 96 



New Amphion, The, Book of Edinburgh University 

 Union Bazaar, 73 



Newcomb, S., 33 



Newton, Sir Isaac, Principia used as text-book, 

 21 ; swerving tennis ball in air, 27, 60, 339 ; 

 principles of fluxional calculus attacked by 

 Hegel, defended by W. Robertson Smith, 76 ; 

 Laws of Motion, 118, 232-236; quoted by 

 Hamilton, 121-122; rediscovered by Thomson 

 and Tail, 190 ; referred to in Tail's inaugural 

 lecture, 206 ; appealed lo by Herberi Spencer 

 in support of his a priori intuilions, 279, 280, 

 282 ; Spencer admits that he has no support 

 from, 282 ; referred to in lecture on thunder- 

 storms, 296 



Nichol, J. N., and the Evening Club, 348 



Nichol, J. W., student in Laboratory, 75 ; experi- 

 ments on radiation, 74; Foundation in 

 Laboratory in memory of, 75 



Nicolson, Alex., and the Evening Club, 348 



North British Review, 23, 209, 213 



Northern Lights, Commissioners of, 90 



Obituary notices, of Tail, 42-43 ; by Tait, of Balfour 

 Stewart, 289-291 ; of Robertson Smith, 291-292 

 Obligations to Andrews, 13 

 Observatory, Ben Nevis, 87 



Ode, Tyndallic, 145, 171-173; Paradoxical, 242-244 

 Oersted, H. C., electricity and magnetism, 297 



Ohm and Fourier, 226 



Omond, R. T., pressure experiments, 96 ; superin- 

 tendent Ben Nevis Observatory, 96 



Orchestra, Cambridge, 12 



Orthogonal Isothermal Surfaces, 153 



Ozone, experimenlal work on, 13 ; produced by 

 lighlning, 311 



Paradoxical Philosophy, 240-245 ; reviewed by 

 Maxwell, 241-242 ; Ode to Dr Sloffkraft by 

 Maxwell, 242-244 



Paris Exposition (1855), 64 



Path of projectile in air, 334-344 



Peddle, W., edits last edition of Tail's Properties 

 of Matter, 229 



Pendulum, Ballistic, for measuring speed of golf 

 balls, 89, 337 



Persistence of force, 279 



Peterhouse, Cambridge, 8-n; Master of, 14; 

 History of, 14 ; Magazine, notice of Tait by 

 J. D. Hamilton Dickson, 42 ; portrail of Tait, 

 48 ; Tait Prize, 50 



Pettigrew, J. B., experiments on electrical effects 

 of muscles, 65 



Phosphorescent golf balls, 57 



Physical and Literary Society of Edinburgh, 306 



Physical Laboralory. See Laboratory. 



Physical Review, notice of Tail by Macfarlane in, 42 



Physics of golf, 25, 27, 28, 88, 331 



Pietrowski, G. v., viscosity experiments, 114 



Pitman, Frederick, a school mate, 5 



Planet's orbit, Time and Action in, ico 



Planet held together by gravitation, 104 



Playfair, Lord, professor of chemistry in Edin- 

 burgh, 68 



Poincare', J. H., Thermodynamiqtte reviewed, 273- 

 276 ; replies to Tait, 275-276 



Poisson, S. D., on Probabilities, 98; electricity, 259 



Polariscope, rotatory, 91-92 



Porter, W. A., u, 14; James, 14; J. S., 14, 41 



Portraits of Tait, in Natural Philosophy Library, 

 Edinburgh University, 48 ; in Royal Society 

 of Edinburgh Council Room, 29, 48 ; National 

 Portrait Gallery, Queen Street, Edinburgh, 

 48 ; Hall of Peterhouse, Cambridge, 48-50 ; 

 in Quasi Cursores, 49 



Potential, Quaternion ireatment, 127, 133; mag- 

 netic, 147 ; electric, 302-304 ; increase due to 

 coalescence of rain drops, 315 



Practical joking, 57 



Pressure, experiments under high, 83 ; effect on maxi- 

 mum density point of water, 84 ; gauge, 84-85 



Principia, Newton's, used as text-book, 21 ; princi- 

 ples of calculus attacked by Hegel, defended 

 by W. Robertson Smith, 76 ; conservation of 

 energy discovered in, 191 



