500 



INDEX. 



Magnetised iron and steel conductors, 

 production of transient electric cur- 

 rents in (Ewing), 21. 



Malet (J. C.) on a class of invariants, 

 215. 



Mallet (Robert), obituary notice of, xix. 

 Mallock (A.), the action of cutting 



tools, 127. 

 Mammalia, higher, development of the 



ossicula auditus in the (Fraser), 446. 

 Mannheim (A.) sur les surfaces homo- 



focales du second ordre, 322. 

 sur les centres de courbure 



principaux des surfaces homofocales 



du second ordre, 421. 

 Manometric observations in the electric 



arc (Dewar), 262. 

 Maxwell (James Clerk), obituary notice 



of, i. 



Medals, presentation of the, 65. 



Medulla oblongata, propagation of in- 

 hibitory excitation in the (Kronecker 

 and Meltzer), 27. 



Melting point, on (Mills), 203. 



Meltzer (S.) and H. Kronecker on the 

 propagation of inhibitory excitation 

 in the medulla oblongata, 27. 



Merrifield (C. W.), the sums of the 

 series of the reciprocals of the prime 

 numbers and of their powers, 4. 



Metallic spectra, variations of (Liveing 

 and Dewar), 428. 



Meteorites, report of an examination of 

 „(Flight), 343. 



Mills (E. J.) on melting point, 203. 



and J. H. Bicket, researches on 



chemical equivalence. Part IV. Man- 

 ganous and nickelous sulphates, 32. 



and B. Hunt, researches on chemi- 

 cal equivalence. Part V, 32. 



Milne (J.) and T. Gray on seismic 

 experiments, 139. 



Mineral, a new, found in the Island of 

 Cyprus (Reinsch), 119. 



Minute anatomy of the thymus (Wat- 

 ney), 11, 349. 



Mole, the germinal layers and early de- 

 velopment of (Heape), 190. 



Molecules on radiant heat, action of free 

 (Tyndall), 33. 



Mormyridse, on the brain of the (Sanders) , 

 400. 



Motor nerves, influence of galvanic 



current on the excitability of (Waller 



and de Watteville) , 353. 

 Moulton (J. F.) and W. Spottiswoode 



on the movement of gas in "vacuum 



discharges," 453. 

 Mundella (Anthony John) elected, 398, 



admitted, 446. 

 Muscle contraction, effects of certain 



modifying influences on the latent 



period of (Yeo and Cash), 462. 



Nervous system in vetebrate animal?, 

 anatomy of the central (Sanders), 

 400. 



Nitrogen, allotropic or active, and the 

 complete synthesis of ammonia (John- 

 son), 32. 



excretion of, by the skin (Power), 



354. 



Notelepfias Australis, on fossil tusk of 

 an extinct proboscidian mammal 

 (Owen), 448. 



Obituary notices of fellows deceased : — 



Bigsby, John Jeremiah, xvi. 



Egerton, Philip de Malpas Grey, xxii. 



G-ould, John, xvii. 



Mallet, Robert, xix. 



Maxwell, James Clerk, i. 



Rolleston, Professor, xxiv. 



Stanley, Arthur Penhryn, xx. 

 Officers, election of, 67. 

 Orion, photographic spectrum of the 



great nebula in (Huggins) , 425. 

 Ornitkoptera, prehensores of male 



(Gosse), 23. 

 Ossicula auditus in the higher mammalia, 



development of the (Fraser), 446. 

 Osteology of Hypsilophodon Fox it, 



a British Wealden Dinosaur (Hulke), 



276. 



Owen (Professor), description of the 

 fossil tusk of an extinct proboscidian 

 mammal, Notelephas Australis (Ow.) 

 from Queensland, Australia, 448. 



Papilio, prehensores of male (G-osse), 

 23. 



Parker (W. K.) on the development of 



the skull in Lepidosteus osseus, 107. 

 Parker (W. N.) and F. M. Balfour on 



the structure and development of 



Lepidosteus, 112. 

 Pathology of the epidemic known as the 



" salmon disease " (Huxley), 381. 

 Photographic spectrum of comet b 



1881, preliminary note on (Huggins), 



1. 



of the great nebula in Orion 



(Huggins), 425. 

 Physical forces, influence of stress and 



strain on the action of (Tomlinson), 



276. 



Plane polarised light, refraction of, at 

 the surface of a uniaxal crystal (Glaze- 

 brook), 30. 



Power (J. B.) on the excretion of ni- 

 trogen by the skin, 354. 



Prehensores of male . butterflies of tbe 

 genera Ornitlioptera and Papilio 

 (Gosse), 23, 



Presentation of the medals, 65. 



Presents, lists of, 100, 226, 285, 371, 

 455. 



