INDEX. 
5‘21 
I. 
Iguanodon, notes on the vertebral column of, 285. 
, osteology of, 271. Angular bone of lower jaw, 272. Vertebral column, 272. Pectoral 
arch, 277. Restoration of pectoral arch, 279. Humerus, 280. Hinder extremities, 282. 
Infusory animalcule, description of, 331. 
Insects, structure of the liver in, 113. 
J. 
Jones (Dr. C. Handfield.). On the Structure and Development of the Liver, 109. 
Jones (Dr. H. Bence.). Contributions to the Chemistry of the Urine. Paper III., 235. 
L. 
Lecanora tartarea, analysis of, 396. 
Lee (Dr. Robert). On the Nerves and Ganglia of the Heart, 43. 
Lichens, on the pi’oximate principles of, 393. Gyrophora pustulata, 393. Lecanora tartarea, 396. 
Brom-orcin, 397. Quintonitrated erythromannite, 399. 
Liver, on the structure and development of, 109; in the Bi’yozoon Polype, 109; in the Echino- 
dermata, 109; in the Annelides, 110; in Insects, 113; in Crustaceans, 115; in Arachnidans, 
116; in Mollusca, 116; in Fishes, 118; in Reptilia, 122; in Birds, 123; in Mammalia, 124; 
development, 129. 
M. 
Macropus giganteus, on the dental tissues of, 404. 
Magnecrystallic force, nature of, 22. 
Magnetic declination, lines of, in the Atlantic, 173. 
Magnetism, 7Vrre?5^na/, Contributions to. No. IX. 173. Introduction, 173. Observations employed 
— A. Sea observations uncorrected for the ship’s magnetism, 175; B. Sea observations corrected 
for the ship’s magnetism, 176. Discusson of the correctioins for the ship’s magnetism, 177. 
Arrangement of the observations, 195. Table of the declination in 1840 at the intersection 
of every 5° of latitude and longitude, 202. Table of secular change, 203. Comparison with 
M. Gauss’s general theory, 204. General table of the observations employed in the Map, 
arranged according to latitude and longitude, 207. 
Mammalia, structure of the liver in, 124. 
Mantell (Dr. G. A.). Additional observations on the Osteology of the Iguanodon and Ilylaso- 
saurus, 271. 
Marsupial animals, on the dental tissues of, and more particularly of the enamel, 403. 
Melen, 99. 
Melissin, 93, — Melissic acid, 91. 
Melville (Dr. A. G.). Notes on the Vertebral Column of the Iguanodon, 285. 
Meteorology of the Lake Districts of Cumberland and Westmoreland, 73, 319. 
Mollusca, structure of the liver in, 116. 
Monostomatce, anatomy of, 413. 
Myricin, 91 ; distillation of, 98; palmitic acid from saponification and distillation of, 96, 98. 
