INDEX 
TO THE 
PHILOSOPHICAL TRANSACTIONS 
FOE THE YEAE 1869. 
A. 
Abel (F. A.). Contributions to the History of Explosive Agents, 489. 
Airy (G. B.). On the Diurnal and Annual Inequalities of Terrestrial Magnetism, as deduced from 
Observations made at the Royal Observatory, Greenwich, from 1858 to 1863, with a Note on the 
Luno-diurnal and other Lunar Inequalities, as deduced from Observations extending from 1848 to 
1863, 413. 
Andrews (T.). On the Continuity of the Gaseous and Liquid States of Matter, 575. 
B. 
Bakerian Lecture, 575 (see Andrews). 
Boiling-points of mixtures, 605. 
Bones of the human face, 163 (see Callender). 
Brady (H. B.) and Carpenter (W. B.). Description of Parkeria and Loftusia, &c., 721 (see Car- 
penter). 
Broughton (J.). On a certain Excretion of Carbonic Acid by Living Plants, 615. 
Bruniquel, cavern of, 517 (see Owen). 
C. 
Cagniard de la Tour’s experiment, 575 (see Andrews). 
Callender (G. W.). The Formation and Early Growth of the Bones of the Human Face, 163. 
Capillary attraction of mixtures, 606. 
Carbonic acid, excretion of, by living plants, 615. 
Carpenter (W. B.) and Brady (H. B.). Description of Parkeria and Loftusia, two gigantic types of 
Arenaceous Foraminifera, 721. — Introduction, 721; Parkeria, 724; plates of, described, 736; 
Loftusia, 739 ; plates of, described, 752. 
Carvings on bone imbedded in a cavern, 532, 553. 
Cavern contents, 517 (see Owen). 
5 P 
MDCCCLX1X. 
