134 



INDEX I. 



Lacaille's Stars, resolution for the re- 

 duction of, 171. 



Limacidse, British and Foreign, 142. 



Longitude, determination of the arc 

 of, between the Observatories of 

 Armagh and Dubhn, 19. 



Magnetism, terrestrial, resolutions of 

 the Association on thesubjectcf,31. 



Makerstown, longitude of, 19. 



Mallet (Mr.) on the action of air and 

 water on iron, 17 1. 



Meteorological observations, hourly, 

 27, 149. 



Meteorological observations made at 

 the equinoxes and solstices, reduc- 

 tion of, 173. 



Mollusca, pulmoniferous, British, on 

 the distribution of, 127. 



, list of British species, 144. 



Observatory, Cape of Good Hope, 



172. 

 Owen (R.), report on British fossil 



reptiles, 43. 



Palaeontology, 43. 



Pattinson (H. L.), report of some gal- 

 vanic experiments to determine the 

 existence or non-existence of elec- 

 trical currents among stratified 

 rocks, 23. 



Plesiosaurus, characters of the genus, 

 49; observations on, 125. 



Hawkinsii, 57. 



dolichodeirus, 60. 



macrocephalus, 62. 



■ brachycephalus, 69. 



macromus, 72. 



pachyomus, 74. 



arcuatus, 75. 



subtrigonus, "J^ . 



trigonus, 78. 



brachyspondylus, 78. 



recentior, 78. 



giganteus, 78. 



costatus, 80. 



— — dcedicomus, 81. 



Plesiosaurus rugosus, 82. 



grandis, 83. 



trochanter ius, 85. 



afiinis, 86. 



Plymouth, report on the hourly me- 

 teorological register at, 149. 



Powell (Rev. B.), report on the pre- 

 sent state of our knowledge of re- 

 fractive indices for the standard 

 rays of the solar spectrum in dif- 

 ferent media, 1. 



Pulmoniferous mollusca, British, on 

 the distribution of, 127. 



, the species inhabiting the Bri- 

 tish isles, 144. 



Refractions of solar spectrum, on, 1. 



Reptiles, fossil, report on, 43. 



Robinson (Rev. Dr.) on the determi- 

 nation of the arc of longitude be- 

 tween the observatories of Armagh 

 and Dublin, 19. 



Royal Astronomical Society's cata- 

 logue of stars, extension of, 174. 



Rudberg (M.), refractive indices de- 

 termined by, 7. 



Rutherford (Rev. A.), register of the 

 thermometer and barometer kept at 

 Kingussie, 28. 



Scotland, on two series of hourly me- 

 teorological observations kept in, 

 27. 



Spectrum, solar, on refractions of, 1. 



Terrestrial magnetism, resolutions of 



the Association on the subject of, 



31. 

 , memorial of the Committee of 



the Association to her Majesty's 



government, 32. 

 Tide calculations, on, 13. 



West (W.) on a machine for the de- 

 tection and measurement of gases, 

 171. 



Whewell (Rev. W.) on tide calcula- 

 tions, 18. 



