INDEX, 95 



Hansteen (Prof.), discoveries of, in terrestrial magnetism, xiii» 



432. Results of liis observations on the intensity of the magnetic 



force in various parts of the world, 434 

 on the nature of shooting-stars seen in the daytime, xx. 



168 

 Hare (Dr.), account of his single gold-leaf electrometer, xviii. 



378 ; and of his voltaic trough, ib. On the preparation of 



artificial chalybeate water, 380. On the combustion of iron 



by sulphur, 381 

 Harpinella, a new musical instrument, notice of, v. 120 

 Harpoon (new), notice of, v. 121, and of harpoon-guns, ib. 

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



Severn & Co., against the Jmperial Insurance Company, x. 324 

 Harrogate, analysis of a new sulphur-spring at, xv. 89 

 Hart (Mr. John), observations on the production of light by. the 



discharge of an air-gun, xv. 64 

 Hartshorn, use of, in intoxication, xi. 407 

 Harvest-moon, phenomenon of, v. 354 

 Harvey (George, Esq.), experimental inquiries relative to the 



formation of mists, xv. 55-64 

 — remarks of, on the deposition of dew, xvi. 35, xvii. 1. On 



the numerical changes of the population of Great Britain, 203. 



On the influence of magnetism on chronometers, 179-202, 3G5. 



Experimental inquiries relative to tlie distribution and changes 



of the magnetic intensity in ships of war, 261 ; xix. 333 

 — — obser^^ations on the effects of the induced magnetism of 



an iron shell on the rates of chronometers, xviii. 34-47. Re- 

 sults of his experiments relating to the comparative means of 

 defence afforded by ships of war having square, and curvilinear 

 sterns, 201-223 



— — remarks of, on the returns of the population in Ireland, xix. 

 217. Tables of the number of pupils receiving instruction in 

 that country, witli observations on the state of education, 220. 

 On some improvements in naval architecture, 235. 



remarks by, on the fogs of the Polar Seas, xx. 1 1 



Harwood (Dr.), syllabus of his lectures on zoology, xvii. 286 



