[ iv ] 
XI. On the Diurnal and Annual Inequalities of Terrestrial Magnetism , as deduced 
from Observations made at the Boyal Observatory , Greenwich , from 1858 to 
1863; being a continuation of a communication on the Diurnal Inequalities 
from 1841 to 1857, printed in the Philosophical Transactions , 1863. With a 
Note on the Imio-diurnal and other Lunar Inequalities , as deduced from 
observations extending from 1848 to 1863. By George Biddell Airy, Astro- 
nomer Boyal page 413 
XII. Spectroscopic Observations of the Sun. — No. II. By J. Norman Lockyer. Com- 
municated by Dr. Sharpe y, Sec. B.S. 425 
XIII. Contributions to the Fossil Flora of North Greenland, being a Description of the 
Plants collected by Mr. Edward Whymper during the Summer of 1867. By 
Professor Oswald Heer. Communicated by Professor Stokes, Sec. B.S. . 445 
XIV. Contributions to the History of Explosive Agents. By F. A. Abel, F.B.S., Treas. 
Chem. Soc 489 
XV. Description of the Cavern of Bruniquel, and its Organic Contents . — Part I. Human 
Bemains. By Professor Owen, F.B.S, &c 517 
XVI. Description of the Cavern of Bruniquel, and its Organic Contents . — Part II. 
Equine Bemains By Professor Owen, F.B.S. &c 535 
XVII. On Fossil Bemains of Equines from Central and South America referable to 
Equus conversidens, Ow., Equus tan, Ow., and Equus arcidens, Ow. By Pro- 
fessor Owen, F.B.S. &c 559 
XVIII. The Bakerian Lecture. — On the Continuity of the Gaseous and Liquid States 
of Matter. By Thomas Andrews, M.D., F.B.S., Vice-President of Queen's 
College, Belfast 575 
XIX. On the Specific Heat and other Physical Characters of Mixtures of Ethylic 
Alcohol and Water. By A. Dupre, Pli.D., Lecturer on Chemistry at West- 
minster Hospital, and F. J. M. Page, B.Sc. Communicated by Charles Brooke, 
F.B.S. / 591 
XX. On a certain Excretion of Carbonic Acid by Living Plants. By J. Broughton, 
B.Sc., F.C.S., Chemist to the Cinchona Plantations of the Madras Government. 
Communicated by J. D. Hooker, M.D., F.B.S 615 
XXI. Besearches on Turacin, an Animal Pigment containing Copper. By A. H. Church, 
M.A. Oxon., Professor of Chemistry in the Boyal Agricultural College, Ciren- 
cester. Communicated by Dr. W. A. Miller, Treas. and V.P.B.S. . . . 627 
XXII. On the Thermal Besistance of Liquids. By Frederick Guthrie. Communicated 
by Professor Tyndall, LL.D., F.B.S. . 637 
