INDEX to VOL. XXXIII. 



ABNEY (Capt.) on the effect of the 

 spectrum on the haloid salts of silver, 

 and on mixtures of the same, 164. 



Address of the President, 40. 



Alopecia areata, on Bacterium decal- 

 vans : an organism associated with 

 the destruction of the hair in (Thin), 

 247. 



Ammonia, synthesis of (Johnson), 32. 



Anatomy of central nervous system in 

 vetebrate animals (Sanders), 400. 



of Chiton, certain points in the 



(Sedgwick), 121. 



of thymus, on the minute (Watney) , 



11, 349. 



Anniversary meeting, 39. 



Atmosphere, constituent of, which ab- 

 sorbs radiant heat (Hill), 216, 435. 



Atmospheric temperature, comparison 

 between diurnal ranges of, as recorded 

 at observatories of Stonyhurst, Kew, 

 and Falmouth, and diurnal ranges of 

 magnetic declination as recorded at 

 Xew Observatory (Stewart), 410. 



Auditors, elected, 1. 



— — report of, 39. 



/R-Lutidine, on (Williams), 159. 



Bacterium decalvans, on (Thin), 247. 



Bakerian Lecture. Action of free mo- 

 lecules on radiant heat, and its con- 

 version thereby into sound (Tyndall), 

 33. 



on the chemical theory of 



gunpowder (Debus), 361. 

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



the structure and development of 



Lepidosteus, 112. 

 Bicket (J. H.) and E. J. Mills, re- 

 searches on chemical equivalence. 



Part IV. Manganous and nickelous 



sulphates, 32. 

 Bigsby (John J.), obituary notice of, 



xvi. 



Blanford (Henry Francis) admitted, 

 322. 



Bone, propagation of heat by conduction 

 in (Lombard), 11. 



Brain in rodents, comparative structm* 



of (Lewis), 15. 



of the Mormyridse (Sanders), 400. 



Brain-tissue, propagation of heat by 



conduction in (Lombard), 11. 

 Bramwell (Sir Gc. W. W.) elected, 254. 

 British Association unit of resistance in 



absolute measure, value of (Eayleigh) , 



898. 



Butterflies, prehensores of male (Gosse) , 

 23. 



Candidates, list of, 380. 



Carbon, spectrum of (Liveing and 



Dewar), 403. 

 Cash (T.) and a. F. Yeo, the effect of 



certain modifying influences on the 



latent period of muscle contraction, 



462. 



Chemical equivalence, researches on. 



Part IV. Manganous and nickelous 



sulphates (Mills and Bicket), 32. 

 researches on. Part V. (Mills 



and Hunt), 32. 

 Chemical theory of gunpowder (Debus) , 



361. 



Chiton, certain points in the anatomy of 



(Sedgwick), 121. 

 Chromium and urea, on a series of salts 



of a base containing (Sell), 267. 

 Coal-dust in colliery explosions, on the 



influence of (Gralloway), 437, 490. 

 Coal formation of ]N"ova Scotia, explora- 

 tion of erect trees containing reptilian 



remains in (Dawson) , 254. 

 Coefficients of contraction and expansion 



by heat of the iodide of silver, Agl, the 



iodide of copper, Cu 2 I 2 , and of five 

 alloys of these iodides (Rod well), 143. 

 Colliery explosions, on the influence of 



coal-dust in (Galloway), 437, 490. 

 Comet b 1881, photographic spectrum 



of (Huggins), 1. 

 Conductors, iron and steel, prodrction 



of transient electric currents in 



(Ewing), 21. 

 Council, nomination of, 32. 

 , election of, 67. 



