INDEX. 
Q page 
Quagga , or wild ass, account of its migration in winter 
from the tropics to the vicinity of the Maleleveen river, 41 
R 
Regent's Park, detail of some experiments on the dip of 
the magnetic needle made there, in August, 1821, - 9 
Rhinoceros, on a new species of this animal found in the 
interior of Africa, the skull of which bears a close re- 
semblance to that found in a fossil state in Siberia and 
other countries, - - - - - 38 
— — - Asiatic, account of the manner and habits of 
one confined in the menagerie at Exeter Change, - 43 
Rosenmuller, M.,his description of the manner in which 
he found the fossil bones disposed in all the caverns he 
had examined, - - - - - 217 
S 
Sabine, Captain Edward. The Bakerian Lecture. An 
account of experiments to determine the amount of the 
dip of the magnetic needle in London, in August 1821 ; 
• with remarks on the instruments which are usually em- 
ployed in such determinations, 1 
Scoresby, William, jun. Esq. Experiments and obser- 
vations on the developement of magnetical properties in 
steel and iron by percussion, - 241 
Sea-water, some experiments and researches on the saline 
contents of sea-water, undertaken with a view to cor- 
rect and improve its chemical analysis, - 448 
Seals, on the difference in the appearance of the teeth and 
the shape of the skull in different species of them, - 239 
Selenite , found in sea- water, in a state of perfect solution, 453 
Soda, sulphate of, does not exist in sea-water, - 454 
Spheroid, on the expansion in a series of the attraction of 
a spheroid, - - - 99 
Spine, on the mechanism of it, - - - 2 76 
Steel, on the alloys of it, - - - 253 
Steel and iron , experiments and observations on the deve- 
lopement of magnetical properties in them by percussion, 241 
Stodart, James, and Michael Faraday, Esquires, on 
the alloys of steel, - 253 
Sublimate, corrosive, some observations on it, - - 357 
