INDEX II. 
181 
Cavan, on the Silurian anthracite of, 95. 
Cayley (Arthur) on the solution of cubic 
and biquadratic equations, 1. 
Cells, on the physiology of, 110. 
Chacomac(M.)on solar spots and fjmila), 
'•till ilwiiu tvno /iniipnn 1 O 
and their true causes, 19. 
Chambers (Robert) on the great terrace of 
erosion in Scotland, anti its relative 
date and connexion with glacial plue- 
nomena, 78; further observations on 
glacial plnenomena in Scotland and the 
north of England, 79. 
Chanter (John) on the (economical work¬ 
ing of steam boilers, 147. 
Cliarcon!, on mineral, 8G. 
I tarles worth (Edward) on several new 
vertebrate fossils, SO. 
Chemistry, 61. 
Cheshire, statistics of poor relief and 
movement of population in the com¬ 
mercial district in the hundred of 
Wirral, 142. 
imneys, on a lightning conductor for, 
108 , 
Chronometers, 0 n the variation in the 
rates of, 20. 
arc ’ °'. 1 annelid tracks from the repre- 
s mitatives of the millstone grits in the 
county of, 86. 
an J°lni) on the effect of good 
133 l ' lnes on C 0 lun “ tta l 8 t0 prison, 
C1 1 W'Hatn) on the large fly-wheel 
V .J, at l ' ie Mersey Iron-works, Li- 
folili * 1 ^ ’ 0,1 a machine used for 
Off* ‘»pev iron, ih. 
• n ) 011 tho fluctuations in 
%wtv55F fi i 8hwleB » 13 '• 17fi - 
Co a ? ‘® , 0 / Southampton, on the, 29. 
p u ' iv le Production of sulphurous acid 
d t o r?.' c,> »>hustion or, 75; on 
S2"V" .' Vcs ‘ Vii-rinin, 78; 
ereanisn? ,CC in ’ °fp°euliar vegctu 
Lvconnd? resen, kling the sporangia 
J_Y>P°dmm, 07; on the „r. 
Lvcnn.a- tne sporangia 
Torff um’ 97 , 5 0,1 tlu} nat H p c of 1 
Coina»p ^’L anc * otlicrvarietiesof, ll 
diffaren?” . dcC,rn ^> 13:> * > ‘2; on i 
Darnnf „i . ’ i on i 
Posed of ftp'- 8 '' ’‘ c ^ Itave been p 
tollodinn CC . ,ma acc °unt9 and, It; 
CoC n T^ on * «*• 
^^our a 5 S , f , ° n ". of ’ I ond rplalil 
«°rne tr nceg o r 0 . rm m P ,ant8 » ^ 
he SL .1 ha ‘‘mon.ou8 1 in plat 
, **»4 the „ii. narmonioua, in 
Cbrn pas 8 , bi ‘‘ ds i 101 . 
iug the ,1 a £™P^* C method of enrr 
>3 i 
dm» .j«r 0) ''e action of, in 
Wnps, p). ” ,e action of, m 
^ofsci'e,, 0 , 1 ! , '"efficiency of 
^ith the of;? a in comic 
’ iron ships, 55. 
Copper, on the chemical examination of 
some alloys of, and zinc, 67. 
Corn, on the current price und the cost 
price of, in England, during the lust 
ten years, 134. 
Cotton libre, on the action of citric, tar¬ 
taric, and oxalic acids on, 65. . 
Crania of the ancient Britons, on the forms 
of the. 127. 
Craters, on the structure of ltmar volca¬ 
nic, 91. 
Cretaceous formation, on the occurrence 
of a true, in the South of Africa, 82. 
Crimea, on parts of the, 124. 
Crosse (Andrew) on the apparently me¬ 
chanical action accompanying electric 
transfer, 66. 
Crystals, on measuring the absorption of 
polarized light in doubly refracting, 10 ; 
photogenic drawings of snow, seen in 
Jan. 1851, 30. 
Crustacean impressions from the trias of 
Dumfries-shtre, on, 86. 
Cull (liichard) on the ethnological value 
of the results of philological inquiry, 
126; description of three Esquimaux 
lately exhibited in London, ib. 
Clllloy (Mr.) on the transmission of time- 
signals through the electric telegraph 
wires in connexion with the observatory 
at Greenwich, 148. 
Cumming (Rev. J. G.) on some of the 
more recent changes in the nrea of the 
Irish Sea, 80. 
Cunningham (John) on the submarine 
forest, Leasowe, 81 ; on ventilation of 
ships, 148; plan for reefing topsails, 
150. 
Currency, on the laws of the, 136 ; on a 
method of substituting francs and cen¬ 
times for the present English metallic 
currency, 146. 
Currents, on the beating effects of secon¬ 
dary, 68. 
Danson (John Townc) on the current 
price and the cost price of corn in Eng¬ 
land during the last ten years, as illus¬ 
trating the value of agricultural statis¬ 
tics, 134. 
Davies (J. A.) on the decomposition of 
magnesian limestone at Brodsworth, 66. 
Davis (Joseph Barnard) on the forms of 
the crania of the ancient Britons, 127. 
Day (W.) on the {economical working of 
steam-boilers and furnaces, by the 
saving of fuel, with a more speedy 
, command of steam, 149. 
Deaf and dumb, census of the, in 1851, 
132. 
