222 
Iodine and caustic soda, new salt ob- 
tained from, 80. 
Ireland, pawnbroking in, 181. 
, yellow sandstone and other 
points of the geology of, 110. 
Triscope, on the, 14. 
Iron, strength of, as a substitute for 
wood in ship-building, 201. 
Isle of Man, pleistocene tracts in the, 
and the relations of its fauna to that 
of the neighbouring sea, 104. 
Jacobi (Prof.) on his discovery of 
galvanoplastics, 89. 
on the principles of electro-mag- 
netical machines, 18. 
Jeffrey (Mr.) on a new hydraulic ap- 
paratus, 213. 
Jeffreys (Dr.) on the uses of the con- 
globate glands, 156. 
Jeffreys (Julius) on the solvent power 
exercised by water at high tempe- 
ratures on siliceous minerals, 125. 
Johnson (Capt. E. J.) on the applica- 
tion of native alloy for compass pi- 
vots, 198. 
Johnston (Mr. J.) ona new rain gauge, 
2 
1% 
Johnston (Prof.) on resins, 82. 
on some varieties of peat, 83. 
on the resin of sarcocolla, 83. 
Kakodyl, new compound called, 77. 
Keir (Wm.) on the geology of Castle 
Hill, Androssan, 95. 
Kelland (Prof.) on the conduction of 
heat, 15. 
, on the theory of waves, 50. 
Kennedy (C. J.) on the theory of elec- 
tricity, 24. 
Kilpatrick hills, crystallized minerals 
at, 65. 
Kingston-upon-Hull, state of educa- 
tion in the borough of, 177. 
Knipe (J. A.) on the sandstone of 
the vale of Solway, and the forma- 
tion of the Closeburn basin, Dum- 
friesshire, 98. 
Lamont (Dr.), an account of the ob- 
servatory of Munich, 26. 
, on the system of meteorological 
observations in Bavaria, 27. 
Lang (Mr.) on an improvement on 
the air-pump, 212. 
INDEX II. 
Lankester (Edwin), on plants and ani- 
mals found in the  sulphureous 
waters of Yorkshire, 143. 
Lawrie (Dr.) on the results of ampu- 
tations, 163. 
Leadbetter (Mr.) on thenormal school 
of Glasgow, 170. 
Lead, discovery of, on the borders of 
Galloway and Ayrshire, 97. 
Lead hills, occurrence of nine species 
of lead ore at, 64. 
Leatham (Mr.) on the bill circulation 
of Great Britain, 184. 
Llangollen, upper silurian formation 
in the vale of, development of the, 
100. 
Liebig (Prof.) on poisons, contagions, 
and miasms, 72. 
Light, on a new apparent polarity of, 
3 
Life-boat, on an improved, 211. 
Lille (M. le Comte), on laying down 
wood pavement, 211. 
Lizars (Dr.) on the organs of sense in 
the salmon, 134. 
Lonsdale (Dr. H.) on an _ ossified 
tendo Achillis, and of a case of ex- 
ostosis, 165. 
Lothian (Mr.) on a revolving balance, 
206. 
Lungs, carbonic acid thrown off from 
the, 87. 
Lyell (Charles) on the occurrence of 
two species of shells of the genus 
conus, in the lias or inferior oolite, 
near Caen, in Normandy, 110. 
, on ancient sea-cliffs and needles 
in the chalk of the valley of the 
Seine in Normandy, 111. 
Lymph, coagulable, on its separation 
by filtration from liquid human 
blood, 75. 
, effusion of, 159. 
Macdonald (Dr.) on the structure of 
fishes, so far as the analogies can 
be traced between the limbs of the 
mammals and the fins of fishes, 131. 
, On mnemonics, 157. 
Mackay (K.) on a double monoce- 
phalic human monster from South 
America, 163. 
Mackay (Dr.) on the chemical and 
medicinal properties of the matias 
bark, 160. 
