INDEX. 753 
M 
Magnetism of the Earth, on the Horizontal Force of the, 511. 
Murray (Anprew), Esq. On the Pediculi infesting the Different Races of Man, 567. 
O 
Olefines, on some Derivatives from the, 611. 
P 
Pediculi, on the, infesting Man, 567. 
Prayrair (Dr Lyon), C.B., F.R.S. On a Mode of taking the Density of Vapour of Volatile Liquids 
at Temperatures below the Boiling Point, 441. 
R 
Rain, Notice of an Unusual Fall of, in the Lake Districts, in January 1859, 41. 
S 
Scumipzt (Maximriran). On the Constitution of Oil of Cajeput, 369. 
Stewart (Barrour),M.A. An Account of some Experiments on Radiant Heat, involving an exten- 
sion of Prevost’s Theory of Exchanges, 1. 
Researches on Radiant Heat. Second Series, 59. 
Swan (Professor), On the Constitution of Flame, 21. 
On the Gradual Production of Luminous Impressions on the Eye, Part II., being a 




Description of an Instrument for producing isolated Luminous Impressions on the Eye of ex- 
tremely short duration, and for measuring their intensity, 33. 
L 
Temperature, Inquiries about Terrestrial, 75. 
of Edinburgh from 1795 to 1850, 327. 
On a Method of Reducing Observations of Underground, 429. 
Reduction of Underground, 405. 
Thermometrical Register, on a, kept at Dunfermline from 1799 till 1837, 357. 
Tuomson (Professor Wint1am). On the Reduction of Observations of Underground Temperature, 
with application to Professor Forbes’ Edinburgh Observations, and the continued Calton Hi'l 
Series, 405. 
Thyroid Gland, on the, in the Cetacea, 319. 
Trap Rocks of Scotland, Chronology of the, 633. 
Turner (Witriam), M.B, On the Thyroid Gland in the Cetacea, with Observations on the rela- 
tions of the Thymus to the Thyroid in these and certain Mammals, 319. 





