INDEX. 



523 



species, and with notes on the anatomy 

 of some European aquatic species, 

 169. 



Muscular fibre, on the structure of striped, 

 242. 



irritability, on, after systemic death, 



339. 



Music, on just intonation in, with a de- 

 scription of a new instrument for the 

 easy control of all systems of tuning- 

 other than the ordinary equal tempera- 

 ment, 131. 



Naja tripudians and other Indian venomous 

 snakes, on the nature and physiological 

 action of the poison of, 358. 



Nicholson (H. A.), contributions to the 

 study of the errant annelids of the older 

 palaeozoic rocks, 288. 



Nitriles and amides, new method for pro- 

 ducing, 61. 



Norton (A. T.) on the accommodation of 

 vision, and the anatomy of the ciliary 

 body, 423. 



Numerical value of it, on the extension of 

 the, 318. 



Obituary Notices of Fellows deceased : — 

 William John Macquorn Eankine, i. 

 John Bishop, v. 

 Baldwin Francis Duppa, vi. 



Orcin, amido-derivates of, 122. 



Orcins, contributions to the history of the : 

 No. III., 122. 



Orthogonal surfaces, on curvature and, 166. 



Owen (B.) on the fossil mammals of 

 Australia: Part VEIL Family Macro- 

 podidce, genera Macropus, Osphranter, 

 Phascolagus, Sthe?iurus, and Protemno- 

 don, 128 ; Part IX. Family Macropo- 

 didce, genera Macropus, Pachysiagon, 

 Leptosiagon, Procoptodon, and Palor- 

 chestes, 386. 



Oxalate, on the optical properties of a new 

 chromic, 499. 



Oxide, on the electric decomposition of 

 carbonic, 245. 



Paget (Dr.), admitted, 499. 



Palaeozoic rocks, on the errant annelids of 



the older, 288. 

 Paraffins, on the combined action of heat 



and pressure upon the, 184. 

 Parker (W. K.) on the structure and de- 

 velopment of the skull in the pig (Sus 



scrofa), 402. 

 Perry (S. J.), magnetic survey of Belgium 



in 1871, 165. 

 Phenomena, complex periodical, on the 



mathematical expression of observations 



of, 384. 



Phillips (J. A.) on the composition and 

 origin of the waters of a salt spring in 

 Huel Seton Mine, with a chemical and 

 microscopical examination of certain 

 rocks in its vicinity, 132. 



Physiological changes induced in the 

 human economy by change of climate, 

 further experiments on the more impor- 

 tant, 2. 



Pig, on the structure and development of 

 the skull in the, 402. 



Pode (C. C.) and Lankester (E. E.), expe- 

 riments on the development of Bacteria 

 in organic infusions, 349. 



Potassium, on the vapour-density of, 

 203. 



Presents, list of, 36, 98, 134, 180, 253, 320, 



485, 514. 

 President's Address, 23. 

 Pressure, action of, on the paraffins, 184. 



Rainfall, on a periodicity of, in connexion 

 with the sun-spot periodicity, 297. 



Eankine (W. J, M.), obituary notice 

 of, i. 



Eansome (A.) on the mechanical condi- 

 tions of the respiratory movements in 

 man, 11. 



Eattray (A.), further experiments on the 

 more important physiological changes 

 induced in the human economy by change 

 of climate, 2. 



Eayleigh (Lord), admitted, 499. 



Eespiratory movements in man, on the 

 mechanical conditions of the, 11. 



Eeynolds (O.) on the condensation of a 

 mixture of air and steam upon cold sur- 

 faces, 275. 



Eicharclson (B. W.), Croonian Lecture, 



on muscular irritability after systemic 



death, 339. 

 Eigid body, researches in the dynamics of 



a, by the aid of the theory of screws, 



385. 



Eoberts (W. C.) and Lockyer (J. N.) on 

 the quantitative analysis of certain alloys 

 by means of the spectroscope, 507. 



Eoss (W. A.) on jeypoorite, a sulph-anti- 

 monial arsenide of cobalt, 292. 



Eosse (Earl of), Bakerian Lecture, on the 

 radiation of heat from the moon, the law 

 of its absorption by our atmosphere, 

 and its variation in amount with her 

 phases, 241. 



Eouth (E. J.), some new theorems on the 

 motion of a body about a fixed point,233. 



Eoyal medal awarded to H. J. Carter and 

 T. Anderson, 31. 



Eoyston-Pigott (G. W.), admitted, 348. 



and Beaumont (E. B.), note on high- 

 power definition as illustrated by a com- 

 pressed Podura-scale, 422. 



