564 
INDEX. 
Nesodon imbricatus, SOL 
— “ magnus, 308. 
ovinus, 291. 
— — Sulivani, 304. 
Newport (George, Esq.). On the Impregnation of the Ovum in the Amphibia (Second Series, 
revised), and on the Direct Agency of the Spermatozoon, 23o. 
O. 
Observations, meteorological, made in four balloon ascents, 312. 
Organic substances, of the transmission of heat through, 21 <. 
Ova and ovigerous capsules in Cordylophora, 373. 
Ovum, impregnation in the Amphibia, 233. at , • i 
Owen (Professor Richard). Description of some Species of the extinct Genus TSesodon , wit 
Remarks on the primary Group {Toxodontia) of Hoofed Quadrupeds to which that Genus is 
referable, 291. 
Oxalate of lime calculi, on the solution of, 205. 
P. 
Parenchyma of the liver, function of, 19. 
Periodic and non-periodic variations of the temperature at Toronto, 141. 
Periodical laws in the larger magnetic disturbances, 165. 
Phosphatic calculi, on the solution of, 211. 
Platinocyanides , optical properties of, 39o. 
Pohjpary, definition of the term, 368 ; description of, in Cordylophora, 369. 
Polype, definition of the term, 368. 
Pteropoda, anatomy of, 39. 
R. 
Refrangibility of light, on the change of, 385. Method of observing by absorbing media, ibid.-, 
by means of a prism, 391. Examples of these methods of observation, 393. Comparison of 
their relative advantages, 394. Platinocyanides, 395. 
Reptiles, structure and development of the liver in, 8, 10. 
Rubian, and its products of decomposition. Part II., 67. Action of alkalies and alkaline earths 
on, 67. Rubiadine, 72. Action of ferments on rubian, 74. Rubiafine, 80. Rubiacme and 
rubiacic acid, 81. Rubiagine, 87. Rubiadipine, 89. 
S. 
Sabine (Colonel Edward, R.A., V.P. and Treas. R.S.). On the Periodic and Non-periodic 
Variations of the Temperature at Toronto in Canada, from 1841 to 1852 inclusive, 141. 
On the Influence of the Moon on 
the Magnetic Declination at Toronto, St. Helena, and Hobarton, 549. ^ 
ScHUNCK (Edward, Esq.). On Rubian and its Products of Decomposition, Part II., 67. 
