INDEX n. 
137 
IriAue (General Sir T. M.), observations 
It the expense of, to detennine the 
nriitkins of the laws of terrestrial magnet- 
WB with respect to height in the atmo- 
•alwte, 19. 
Iniria an the comparison of the flora of, 
ehh that of otlier countries, 87. 
kMke (C.) on the r«ults (Stained by auto- 
Me legUtration of the declinometer, 40. 
•woephaoomenaofphotographyr'lS- 
kw (/. A.), obserratioDs made to deter- 
■iae the vaiiatioos of the laws of terres- 
tral nagnetism with respect to height in 
the itaw^here, 19. 
— OB the dinrual motion of a magnet 
Mapended in the Erection of inag- 
Mflc dip, 30. 
toshaMB (James) on the occurrence of ma- 
rtm plants in Worcestershire, 61. 
mile dbrorerpofsotne new Cystidcana 
hoB the Wenloek shale near Walsall, 61. 
Isasen (Cheralier) on certain new vocabu- 
Unes front the eastern coast of Africa, 119. 
lM«i,on the, 137. 
•••i (George) on the employment of gutta 
pewha for modelling, 81. 
— on the use of gutta percha for making 
•Wilde for osts of objecte in natural hi- 
■«y, lie., 92. 
(^^4ee«i (John), Prof. 3, Forbe* on the tern- 
foratufe of the earth at Ttcvnndnim, from 
»h« Obmvolioru of, 40. 
CottdlBm B^julunip on timber attacked by the 
krvw of, 8i. 
Indira, some experiments on the rooti 
*fthe, 85. 
C ir^t uhire, on the origin of the existing 
of a portion of, 06. 
*'* y“ *^ (Dr.) on photography applied to 
•'"•wpic tihjecls, 48. 
(P. A.) on geographical maps and 
™ produced 
lhallciioldcs, on a peculiarity in 
^ •irwttre of the stomata of. «L 
'^«dtther ediblesoflndia and En- 
j^ ^jwed, prices of, 107. 
^^. *^-^°f-)onaoew th' 
of light. 1 . 
Pkiloiophy, on the bearings of pho- 
“^J^pe^nis on subjects connerlcd with 
fy ,^, (‘"f'lology and agriculliiral, 82. 
“ftbeCimbric. I2fi. 
of compniiiig an 
*'^'*** ‘“'‘‘i 127. 
nd..n,.0Mhe, 119. 
**» w 1848, 35 ."* observations made 
theory of the 
Chrunonieters, on improvements in, 42. 
Cimbric Chersonese, on the distribution of 
population in the, 79. 
Clarke and Varley (Messrs.) on the advanttgra 
to be obtained by the adoption of the elastic 
malleabU iron lube, aa a means of develop- 
tog the principle of atmospheric propulsuio 
on railways, 133. 
Claudel (M.) on diflereni properties of the 
solar radiation in producing or prenmlbig 
a deposit of mercury on silver plates coaud 
with iodine or its compounds, veiih chloride 
or bromine, modified by ooloared glsM 
media and the vapours of the atmosphere, 
35. 
on difirrent properties of the tolar ra¬ 
diation* which have pemveated cola*irfd 
mediu, in influencing the condhloeu of Da¬ 
guerreotype plates, so aa to receivs or re¬ 
ject mercurial vapour, 48. 
Clay, on iletritus derived from the Leodoo, 
and deposited in the red cr^, C4. 
Clucks, electric, 23. 
Coal, on the formation of, 66. 
Coal beds, on a new species of Nautilus from 
the HBllfaa, 04. 
Conl-flelds, on the plants of tho New South 
Wales and Van Diemen's Land, 64. 
Cockburn (Capt.) on anemometers and it- 
aulving scales, 40. 
Coin, silver, on the variations In the supply 
of, in Ireland, during the opcniliona for the 
relief of distress in 1846-47, 97. 
Combustion, on the regulation of, 47. 
Cotiiels, on the calculation of the perturba¬ 
tions of, 9. 
ComDtea p^riodiques de Lexel de Paye *t ds 
Vico, sur les, 19. 
Conduction, on the nature of, S7. 
Conductors, metallic, on some recent and re¬ 
markable examples of the protection af¬ 
forded by, against heavy strokes of light¬ 
ning, 83. 
Connell (Prof.) on the precipitate caused in 
spring und river waters by acetate of lead, 
48. 
-on sulphaW-chloride of copper-^ new 
mineral. -10. 
Consumption and ague, on the supposed an- 
togonism between, 94. 
Copper, un sulphato-chlorlde of, 49. 
Cornish faniia, notice of additions to the. 78. 
Crag, on detritus derived from the London 
clay, and deposited in the red, 64. 
Crawford (John) on the Malay languages, 
119. 
Crime, on, 101. 
Criminal tables for 1845-46, on the influence 
of education, shown hy facta recorded in 
the, 109. 
Crops, on the inorganic conslitueots of root, 
60. 
Crowe (J. R.), meteorological olservaiions 
made at Christiania in 1846, S3. 
Crystallization, on a new principle of, 58. 
- under extreme pressure, 60. 
