INDEX II. 
Waves, mean ordinates of the “ great symme- 
trical wave of November,” deduced from 
‘ obsefvations at the Royal Observatory, 
Greenwich, during 1841 to 1845 inclusive, 
| 50. 
, values of the deviation from symmetry 
of the great symmetrical curves of No- 
vember 1846, in Great Britain and Tre- 
land, 54. 
“Wrottesley (Lord) on the expediency of con- 
ABESSINIA, on the geographical distribu- 
tion of the languages of, and the neigh- 
bouring countries, 94. 
Academical statistics, contributions to, 105. 
Acid, on the absorption of carbonic, by sul- 
phuric, 61. 
gean Sea, on the influence of temperature 
upon the distribution of the fauna in the, 81. 
Air, on the resistance of, to pendulums, 7. 
Alten, in Finmark, meteorological observa- 
_ tions continued at, with observations on 
them, 32. 
Alumina, on some properties of, 58. 
America, on the ante-Columbian discovery 
of, 94, 
Anastatic printing and its various combina- 
_ tions, 120. 
Animals in the atmosphere and the sea, on 
the physical conditions regulating the ver- 
- tical distribution of, 83. 
Annelida, on the structure and functions of 
the branchial organs of the, 83. 
nte-Columbian discovery of America, 94. 
Anticlinal line of the mineral basin of South 
‘Wales, on the great, 75. 
Antoninus Pius, on a map of Ancient Egypt 
of the time of, 66. 
gonaut, on a new species of, 80. 
rgonauta gondola, Dillwyn, on, 80. 
— Owenii, on, 80. 
: rmagh, on shooting stars seen at, 37. 
1848. 
129 
tinuing the Toronto magnetical and me- 
teorological observatory until Dec. 1850, 99. 
Ystalyfera iron works, on the advantageous 
use made of the gaseous escape from the 
blast furnaces at the, 75. 
anthracite furnaces, analysis of gas 
escaping from the, 81. 
Xanthin, 69. 
INDEX II. 
TO 
MISCELLANEOUS COMMUNICATIONS TO THE 
SECTIONS. 
Arts, on the application of gutta percha to 
the, 122. 
Ashman (J.), improved construction of an 
artificial leg, 117. 
Atlantic, on wind and current charts of the 
north, 34, 
Atmosphere, on the physical conditions re-= 
gulating the vertical distribution of ani- 
mals in the, 83. 
Atmospheric disturbances at Bombay on Apr. 
6, 1848, on, 41. 
Atmospheric railway, on a new low-pressure, 
120. 
Aurore observed at Swansea, notices of, 22. 
Aurora borealis, on those variations of the 
force and the direction of the terrestrial 
magnetism which seem to depend on the, 4. 
Babington (C. C.), additions to the British 
Flora, and an exhibition of drawings pre- 
pared for publication in the supplement to 
English Botany, 84, 
Balfour (Edward) on the means of maintain- 
ing the health of troops in India, 101. 
Ball (John) on rendering the electric tele- 
graph subservient to meteorological re- 
search, 12. 
Bate (Spence) on fossil remains recently dis- 
covered in Bacon Hole, Gower; also other 
remains from beneath the bed of the river 
Tawey, 62. 
K 
