INDEX TO VOL. II. 



805 



Leslie, 544, 637 



Light, Electro-magnetic Theory of, 138, 771 



Lightning, Protection of Buildings from, 538 



Lines of Force, Experiment on, 319 



Liquid : Drop between two plates, 571 ; Rise of, 



between two plates, 568 ; Rise of, in a Tube, 



567 

 Liquid films: Stability of, 578583; Tension of, 



553; films which are surfaces of revolution, 576 

 Lockyer, N., 465 

 Lorenz, 137, 228 

 Loschmidt, Experiments on Diffusion, 343, 369, 460, 



740 



Lucretius, 445, 471, 472 

 Ludtge, 549 



Maccullagh, 766 



Mayer, 402 



Mean, the geometrical mean distance between two 



figures, 280 

 Meyer, L., 349 



Meyer, O. E., 12, 24, 25, 29, 71, 344, 459, 621, 692 

 Molecular aether, 437 

 Molecular Constitution of Bodies, 418 

 Molecular Science, 451 

 Molecular Vortices, 774 

 Molecules : Encounter between, 686 ; Final state 



of, when subject to forces, 351 ; Lecture on, 



361 



Monge, 544 

 Motion of a connected system, Equations of, 308 



Neumann, 228, 766 



Newton, 230, 268, 314, 316, 327, 419, 452, 487, 

 542, 764 



Obermayer, 692 

 Ohm's Law, 533 

 Optics, its relation to other parts of Mathematics, 



391 

 Orsted, 317 



Page, 749 



Paradoxical Philosophy, 756 



Peaucellier's Linkage, 495 



Physical Forces, Correlation of, 400 



Physical quantities, mathematically classified, 257 



Physics, Introductory Lecture on, 241 



Piotrowski, 685, 708 



Plateau, 393, 548 



Poisson, 301, 303, 317, 547, 560 



Polyhedra, Relation between the numbers of edges, 



summits and faces of, 170 

 Priestley, 367 

 Problem, in Discontinuity, 310 



Quadratic functions, 329 

 Quaternions, 260 266 

 Quincke, 395, 541 



Rankine, 163, 259, 494, 664 



Rayleigh, Lord, 435, 465, 644, 754 



Reading instruments, methods of, 514 



Reciprocal Diagrams, 164, 182 



Rede lecture, 742 



Regnault, 454 



Reis, Philip, 746 



Retina, Yellow spot in, 278 



Review : A work by Plateau, 393 ; A work by 

 Van der Waals, 407; Challis's Mathematical 

 Principles of Physics, 338 ; Grove's "Cor- 

 relation of Physical Forces," 400 ; Paradoxical 

 Philosophy, 756 ; Sir W. Thomson's papers, 

 301 ; Tait's Thermodynamics, 660 ; Thomson 

 and Tait's Nat. Phil., 324, 776; Whewell's 

 Writings and Correspondence, 528 



Reynolds, Professor, 704 



Riemann, 137, 170 



Scientific Apparatus classified, 505 527 



Segner, 542 



Siemens's Governor, 108, 116 



Slipping, Coefficient of, in a gas, 708, 712 



Somerville, Mrs, 401 



Spectrum, Best Arrangement for producing a pure 



spectrum, 96 

 Spherical Harmonics, Application to Theory of 



Gases, 688 



Stefan, 344, 459, 503 

 Stereograms of Surfaces, 97 



