IN-DEX. 488 



Granite of Aberdeenshire, observations on, and on the identity 

 of certain varieties of granite with other rocks pertaining to 

 the trap family, 29-39 — geological resemblance between 

 granite and trap rocks, 40-45 — instances, in which the essen- 

 tial characters of granite are assumed by trap rocks, 45-51. 



Granville, (Dr.) treatise of, on hydrocyanic acid, reviewed, 

 398-407. 



Guaiacunif tincture of, a test for copper, 182. 



Hamiltoriy (Mr.) conjectures of, relative to the ancient inscrip- 

 tion on the column at Alexandria, 4, 5 — copy of that in- 

 scription as deciphered by him, 7. 



Harris, (Mr. James) evidence of, with observations, in the cause 

 of Severn and Co. against the Imperial Insurance Company, 

 324, 325. 



Heavenly bodies, observations on the apparent change in the 

 place, colour, size, and figure of, 9-25. 



Hendricky (Robert, esq.) evidence of, in the cause of Severn and 

 Co. against the Imperial Insurance Company, 336. 



Him&Uiyd mountains, geology of, 470-472. 



History of plants defined, 239, 240. 



Hitt, (Mr.) observations of, on the efficacy of salt in preventing 

 the ravages of insects on fruit trees, 65-t)8. 



Hollingshead, (Mr.) on the beneficial effects of salt as a manure, 

 57,61,63. 



Home, (Sir Everard) on an extraordinary biliary calculus, 

 86-88. 



Honey-dew, ravages of, prevented by using salt as a manure, 

 64-66. 



Horticulture, state of in ancient times, 52 — progress of in 

 Europe, 53, 54 — its influence on society, 55. 



Hudson, (Mr. W. B.) improvement by, in gas illumination, 462, 

 463. 



Hughes, (Rev. Thomas) strictures on, 204-206. 



Humboldt, (Baron) observations on the works of, relative to the 

 geography of plants, 235-267. 



Hydrocyanic acid, Scheele's process for making, 401 — Vauque- 

 Wii Syibid — Magendie's, 40^ — and the Apothecaries' Company 

 vindicated, 402-404. 



Hydrophobia, remedy for, 194. 



hnperial Insurance Company, observations on the chemical 



evidence given in the cause of Severn and Co. against, 316. 

 Inscription on the ancient column at Alexandria, fac-simile of, 8 



— observations on it, 1-7. 

 Insects effectually destroyed by using common salt as a manure, 



68, 69 — esculent plants or fruit-trees, rendered unfit for their 



habitation by salt, 63-68. 



Vol. X. 2 K 



