406 Index. 



Comparative level of lakes and seas, as the Caspian, Lake Aral, 

 Black Sea, Red Sea, Mediterranean, Lake Tiberias, Dead Sea, 

 Atlantic, Pacific, &;c., by Baron Humboldt, 323. 



Connell, Arthur, Professor, on the chemical constitution of Philip- 

 site, or lime harmotome, 374. 



Corals, their distribution as limited by temperature, 340. — Areas of 

 subsidence in the Pacific as indicated by the distribution of coral 

 •islands, 341. 



Daylight, continued, within the Arctic Circle, 190. 



Daubeny, Dr, F.B.S., &c., on the quantity of salt in sea-v^ater, as 

 determined by the examination of specimens collected in a voy- 

 age from Southampton to New York, 65. 



Examination of specimens of sea-water, collected from dif- 

 ferent localities, QQ. 



Desor, M. E., his report of the researches of M. Agassiz during his 

 last two sojourns at the Hotel-des-Neuchatelois, upon the lower 

 glacier of the Aar, in the years 1841 and 1842, 166, 290. 



Diorama, a portable one, further observations on, described by Mr 

 Tait, 53. 



D'Orbigny, Alcide, his observations on the comparative normal posi- 

 tion of bivalve molluscous animals, 162. — On the palaeontology 

 of South America, 362, 



Earthquake-shocks, notices of, felt in Great Britain, and especially 

 in Scotland, with inferences suggested by these notices as to the 

 causes of the shocks, by David Milne, Esq., F.R.S.E., &c., 137- 



Edentata, order of, summary of its extinct and living species, by 

 Professor Owen, 353, 



Forbes, James, Professor, attempt to explain the leading phenomena 

 of glaciers, 221. 



Generation of the Polygastric Infusoria, observations on, 185 — fissi- 



parous, observations on, 205. 

 Geological Society of London, its chief aim, 135. 

 Geology of the island of Little Boss, Kirkcudbrightshire, described 



by Thomas Stevenson, Esq., civil-engineer, 83. 

 Glacier, Lower, of the Aar, described by Desor from Agassiz, 166, 



290. 

 Glaciers, the leading phenomena thereof, explained by Professor 



Forbes, 221. 



, Mr Hopkins on the cause of their motion, 386. 



, their agency in transporting blocks, 389. 



Glow-worm, the cause of its light, 395. 



Goodsir, H. D. S. Esq., on the sexes, organs of reproduction, and 



