IND EX. 
Glycol, on the action of acids on, 69 ; 
on new derivatives of,.] 22. 
Gore (G.) on the specific gravity of 
electro-deposited amorphous anti- 
mony, 403. 
Granites, on the origin of, 32. 
Greg (R. P.) on several new British 
minerals, 13; on luminosity of 
meteors from solar reflexion, 287. 
Hankel (W. G.) on the electric de- 
portment of the flame of alcohol, 9. 
Harkness (Prof. R.) on the metamor- 
phie rocks of the Grampians, 236. 
Haughton (Prof. S.) on the thickness 
of the crust of the earth, 343, 444. 
Hearder (J. N.) on electrical conduc- 
tivity, 14. 
Heat, on the transmission of radiant, 
through gaseous bodies, 60; on the 
interference of, 126; engendered 
by the fall of a meteor into the sun, 
on the, 338. 
Heinz (Dr.) on two new series of acids, 
385. 
Helmholtz (M.) on vowel sounds, 81. 
Hennessy (Prof. H.) on vertical cur- 
rents of the atmosphere, 421. 
Herschel (Sir J. F. W.) on colour- 
blindness, 148. 
Hinton (J.) on the correlation of force, 
243. 
Hippuric acid, on new derivatives of, 
119. 
Hlasiwetz (M.) on quercitrine, 48; on 
chinovine, 50. 
Hofmann (Dr. A. W.) on new deri- 
vatives of phenylamine and ethyl- 
amine, 232; on phosphammonium 
compounds, 306; on triphospho- 
nium compounds, 460. 
Ice, on some properties of, at or near 
its melting-point, 391. 
Jamin (J.) on the equilibrium and mo- 
tion of liquids in porous bodies, 204. 
Jellett (Rev. Prof.) on the controversy 
between Archdeacon Pratt and Prof. 
Haughton, 343. 
Jerrard (G. B.) on the theory of 
quintics, 272. 
Jones (T. R.) on recent and fossil 
Foraminifera from the Mediterra- 
nean area, 161. 
Kirchhoff (Prof.) on the simultaneous 
emission and absorption of rays of 
the same refrangibility, 193. 
Knoblauch (Prof.) on the interference 
473 
of heat, 126; on some optical lee- 
ture experiments, 162. 
Kolbe (Prof.) on the synthesis of sali- 
eylic acid, 212. 
Lactic acid, on the preparation of, 385. 
Lamont(Dr.) on phenomena observed 
during total eclipses of the sun, 
416. 
Lamont (J.) on the geology of Spitz- 
bergen, 467. 
Lautemann (M.) on the synthesis of 
salicylic acid, 212; on the forma- 
tion of propionic acid, 384; on the 
preparation of lactic acid, 385. 
Lead, on a carbonate of, from leaden 
coffins, 291; on a new method of 
separating from baryta, 383. 
LeConte (Prof. J.) on the correlation 
of forces, 133. 
Le Roux (M.) on ozone, 403. 
Leucine, on the occurrence of, in the 
pancreas, 213. 
Liebig (Prof.) on the formation of 
tartaric acid from milk-sugar, 390. 
Light, on the chemical action of, 61 ; 
on the action of, upon chloride of 
silver, 186; on the simultaneous 
emission and absorption of rays of, 
193; on the aberration of, 245; on 
the action of, upon amylaceous sub- 
stances, 281; on the influence of, 
on the growth of animals, 458 ; on 
the undulatory theory of, 463. 
Liquids, on the equilibrium and mo- 
tion of, in porous bodies, 204. 
Lowe (M.) on the separation of lead 
aud baryta, 383. 
Lourengo (M.) on new derivatives of 
glycol, 122. 
Lunge (M.) on the composition of the 
gas in the dark cone of the non- 
luminous flame of Bunsen’s gas- 
burner, 121. 
Magnesia, on the estimation of, 382. 
Magnetic image, on the fixation of the, 
force, on the influence of, on the 
electric discharge, 239. 
Mallet (Prof. J. W.) on osmious acid, 
and the position of osmium in the 
list of elements, 293. 
Mathematics, on the laws of operation, 
and the systematization of, 224. 
Maxwell (Prof. J. C.) on the motions 
and collisions of perfectly elastic 
spheres, 19. 
