INDEX. 



XXV 



Pickering (J. W.) on the physiology of 

 the embryonic heart (preliminary 

 communication), 461. 



Pilo-motor nerves, preliminary account 

 of the arrangement of the sympa- 

 thetic nervous system, based chiefly 

 on observations upon (Langley), 547. 



Pocklington (A. W. S.) and F. . Lydall, 

 magnetic properties of pure iron, 

 164, 228. 



Pontia brassicte, on the alimentary 

 canal of (Griffiths), 165. (Title only.) 



Potential difference required to produce 

 a spark between two parallel plates in 

 air at different pressures, on the 

 (Peace), 99. 



Presents, lists of, 67, 165, 276, 294, 343, 

 400, 453, 474, 543, 569. 



President, address of the, 300. 



Pritchard (Charles) awarded a Royal 

 medal, 312. 



Proteid of the asparagus root, the re- 

 serve (Grreen and Vines), 130, 



Radiation (thermal) in absolute mea- 

 sure (Bottomley) , 162. 



Raoult (Fran9ois Marie) awarded the 

 Davy medal, 314. 



Reid (E. W.) the electromotive pro- 

 perties of the skin of the common 

 eel, 391. 



Reptiles from the Elgin sandstone, on 

 some new (Newton), 389. 



Respiration of man, contribution to the 

 history of the interchange of pul- 

 monary gases in the (Marcet), 164, 

 213. 



Rhabdopleura, note on the structure of 

 (Fowler), 132. 



Riicker (A. W.) elected an auditor. 

 267. 



Safety -lamp, a new portable miner's, 

 with hydrogen attachment for delicate 

 gas-testing (Clowes), 484. 



Sauropterygia and Ichthyosauria, on 

 the shoulder girdle in (Hulke), 233. 



Schorlemmer (Carl) obituary notice of, 

 vii. 



Sherrington (C. S.) experiments in ex- 

 amination of the peripheral distribu- 

 tion of the fibres of the posterior 

 roots of some spinal nerves, 333. 



note on the knee-jerk and the cor- 

 relation of action of antagonistic 

 muscles, 556. 



Siluroid fishes, the air-bladder and 

 Weberian ossicles in the (Bridge and 

 Haddon), 139. 



Silver, alloys containing (Wright), 11. 



Spark between two parallel plates in air 

 at different pressures, on the poten- 



tial difference required to produce a 

 (Peace), 99. 



Spectra of some of the brighter stars, 

 on the photographic (Lockyer), 326. 



of the flames of some metallic 



compounds, note on the (Liveing and 

 Dewar), 117. 



Stainton (Henry Tibbats) obituary 

 notice of, ix. 



Stars, on the photographic spectra of 

 some of the brighter (Lockyer), 326. 



Sympathetic nervous system, prelimin- 

 ary account of the arrangement of 

 the, based chiefly on observations 

 upon pilo-motor nerves (Langley), 

 547. 



Ternary alloys, on certain. Part VI. 

 Alloys containing aluminium, together 

 with lead (or bismuth) and tin (or 

 silver) (Wright), 11. 



Part VII. Alloys containing 



zinc, together with lead (or bismuth) 

 and cadmium (or antimony) (Wright) , 

 530. 



Thermal radiation in absolute measure 

 (Bottomley), 162. 



Thomson (J.) on certain appearances 

 of beams of light, seen as if emanat- 

 ing from candle or lamp flames. With 

 an introductory notice by Lord Kelvin, 

 70. 



Three-bar motion of Watt, on the 

 (Brennand), 472. 



Tidal observations, on an apparatus for 

 facilitating the reduction of (Darwin), 

 345. 



Tin, alloys containing (Wright), 11. 



Trees containing animal remains in the 

 coal-formation of Nova Scotia, sup- 

 plementary report on explorations of 

 erect (Dawson), 4. 



Trust funds, 317. 



Ulrich (Q-. H. F.) on a meteoric stone 

 found at Makariwa, near Invercar- 

 gill, New Zealand, 504. 



Ungual corium, relation to the peri- 

 osteum of the ungual phalanx (Dixey), 

 392. 



Uric acid in urine, on the estimation of, 

 a new process by means of saturation 

 with ammonium chloride (Hopkins), 

 93. 



Veley (V. H.) the conditions of the 

 formation and decomposition of 

 nitrous acid, 27. 



Vice-Presidents, appointment of, 326. 



Vines (S. H.) and J. R. G-reen, the re- 

 serve proteid of the asparagus root,, 

 130. 



