﻿INDEX 
  to 
  VOL. 
  XXIII. 
  

  

  ABSORPTION 
  - 
  spectra 
  and 
  chemical 
  

   constitution 
  of 
  saline 
  solutions, 
  on 
  the 
  

  

  ' 
  action 
  of 
  heat 
  on 
  the, 
  372. 
  

  

  of 
  metals, 
  on 
  the, 
  volatilized 
  

  

  by 
  the 
  oxyhydrogen 
  flame, 
  344. 
  

  

  Acids, 
  on 
  the 
  action 
  of 
  hydrogen 
  and, 
  on 
  

   iron 
  and 
  steel, 
  168. 
  

  

  Acoustic 
  reversibility, 
  on, 
  159. 
  

  

  Action 
  of 
  light, 
  on 
  the, 
  on 
  selenium, 
  535. 
  

  

  Adams 
  (W. 
  G.), 
  Bakerian 
  Lecture, 
  on 
  the 
  

   forms 
  of 
  equipotential 
  curves 
  and 
  sur- 
  

   faces 
  and 
  lines 
  of 
  electric 
  force, 
  280. 
  

  

  on 
  the 
  change 
  produced 
  by 
  magneti- 
  

   zation 
  in 
  the 
  electrical 
  resistance 
  of 
  iron 
  

   and 
  steel, 
  533. 
  

  

  on 
  the 
  action 
  of 
  light 
  on 
  selenium, 
  

  

  535. 
  

  

  Address 
  of 
  the 
  President, 
  50. 
  

  

  Admiralty, 
  report 
  to 
  the 
  Hydrographer 
  of 
  

   the, 
  on 
  the 
  cruise 
  of 
  H.M.S. 
  ' 
  Challen- 
  

   ger,' 
  from 
  July 
  to 
  Nov. 
  1874, 
  245. 
  

  

  Algebraical 
  functions, 
  on 
  the 
  integration 
  

   of, 
  with 
  illustrations 
  in 
  mechanics, 
  279. 
  

  

  Allman 
  (Prof.) 
  on 
  the 
  structure 
  and 
  de- 
  

   velopment 
  of 
  Myriothela, 
  250. 
  

  

  Alloys 
  of 
  silver 
  and 
  copper, 
  on 
  the 
  liqua- 
  

   tion, 
  fusibility, 
  and 
  density 
  of 
  certain, 
  

   349, 
  433, 
  481. 
  

  

  Amphioxus 
  lanceolatus, 
  on 
  the 
  brain 
  and 
  

   skull 
  of, 
  127. 
  

  

  Anatomy 
  of 
  the 
  connective 
  tissues, 
  on 
  the, 
  

   184. 
  

  

  of 
  the 
  umbilical 
  cord, 
  on 
  the, 
  498. 
  

  

  Andrews 
  (Dr.), 
  preliminary 
  notice 
  of 
  fur- 
  

   ther 
  researches 
  on 
  the 
  physical 
  proper- 
  

   ties 
  oi 
  matter 
  in 
  the 
  liquid 
  and 
  gaseous 
  

   states 
  under 
  varied 
  conditions 
  of 
  pres- 
  

   sure 
  and 
  temperature, 
  514. 
  

  

  Anemograms, 
  on 
  the 
  reduction 
  of, 
  taken 
  

   at 
  Armagh 
  observatory, 
  511. 
  

  

  Anniversary 
  Meeting, 
  Nov. 
  30, 
  1874, 
  49. 
  

  

  Annual 
  Meeting 
  for 
  election 
  of 
  Fellows, 
  

   June 
  3, 
  1875, 
  446. 
  

  

  Arctic 
  Seas, 
  on 
  the 
  tides 
  of 
  the 
  : 
  Part 
  IV. 
  

   The 
  tides 
  of 
  Northumberland 
  Sound 
  at 
  

   the 
  northern 
  outlet 
  of 
  Wellingt 
  on 
  Chan- 
  

  

  nel, 
  2 
  ; 
  Part 
  V. 
  The 
  tides 
  of 
  Refuge 
  Cove 
  

   in 
  Wellington 
  Channel, 
  2 
  ; 
  Part 
  VI. 
  

   The 
  tides 
  of 
  Port 
  Kennedy, 
  in 
  Bellot 
  

   Strait, 
  in 
  July 
  1859, 
  299. 
  

   Armagh 
  observatory, 
  reduction 
  of 
  ane- 
  

   mograms 
  at, 
  in 
  the 
  vears 
  1857 
  to 
  1863, 
  

   511. 
  

  

  Arterial 
  blood, 
  experiments 
  showing 
  the 
  

   paramagnetic 
  condition 
  of, 
  as 
  compared 
  

   with 
  the 
  diamagnetic 
  condition 
  of 
  ve- 
  

   nous 
  blood, 
  116. 
  

  

  Atmospheric 
  lines 
  of 
  the 
  solar 
  spectrum, 
  

   on 
  the, 
  illustrated 
  by 
  a 
  map 
  drawn 
  on 
  

   the 
  same 
  scale 
  as 
  that 
  adopted 
  by 
  Kirch- 
  

   hoff, 
  201. 
  

  

  Attraction 
  and 
  repulsion, 
  on, 
  resulting 
  

   from 
  radiation, 
  373. 
  

  

  Auditors, 
  election 
  of. 
  1 
  ; 
  Report 
  of, 
  49. 
  

  

  Australia, 
  on 
  the 
  fossil 
  mammals 
  of 
  : 
  Part 
  

   X. 
  Family 
  Macro-podidce, 
  mandibular 
  

   dentition 
  and 
  parts 
  of 
  the 
  skeleton 
  of 
  

   Palorckestes, 
  with 
  additional 
  evidences 
  

   of 
  Sthcnurus, 
  Macropus 
  Titan, 
  and 
  

   Procoptodon, 
  451. 
  

  

  Bakerian 
  Lecture, 
  on 
  the 
  forms 
  of 
  equi- 
  

   potential 
  curves 
  and 
  surfaces 
  and 
  lines 
  

   of 
  electric 
  force, 
  280. 
  

  

  Balfour 
  (I. 
  B.) 
  on 
  the 
  natural 
  history 
  of 
  

   Rodriguez, 
  135. 
  

  

  Basalt, 
  on 
  the 
  origin 
  and 
  mechanism 
  of 
  

   production 
  of 
  the 
  prismatic 
  (or 
  co- 
  

   lumnar) 
  structure 
  of, 
  180. 
  

  

  Basaltic 
  veins, 
  on 
  some 
  supposed 
  changes 
  

   in, 
  543. 
  

  

  Bases, 
  on 
  the 
  action 
  of 
  the 
  chinoline 
  and 
  

   pyridine, 
  290. 
  

  

  Bell 
  (I. 
  L.), 
  admitted, 
  432. 
  

  

  on 
  some 
  supposed 
  changes 
  basaltic 
  

  

  veins 
  have 
  suffered 
  during 
  their 
  passage 
  

   through 
  and 
  contact 
  with 
  stratified 
  

   rocks, 
  and 
  on 
  the 
  manner 
  in 
  which 
  these 
  

   rocks 
  have 
  been 
  affected 
  by 
  the 
  heated 
  

   basalt, 
  543. 
  

  

  Beneden 
  (P. 
  J. 
  van), 
  elected 
  foreign 
  mem- 
  

   ber, 
  351. 
  

  

  