424 INDEX. 



Hall, (Dr. Marshall) on one of the causes of the movement of the 

 barometer, and of the south and west winds, 14-21 



Hanstein, (Prof.) on the nature of shooting stars seen during the 

 day-time, 168 



Harvey, (George, Esq.) remarks on the fogs of the polar seas 



Haussman, (Professor) remarks on the manufacture of Etruscan 

 vases, 163, 164 



Heated bodies, repulsion exerted by, at sensible distances, 164- 

 167 



Heavy bodies, supplement to a paper on the vibrations of, 69-773 



Hematitic iron ore, recent formation of, 187, 188 



Henderson, (Mr. Thomas) on a method of computing the sun's 

 horizontal parallax from observations of the transits of Venus, 

 94-98 ; observations on the method of computing the true from 

 the apparent lunar distance, 315-321; occultations of the 

 planets and fixed stars, not less than the fourth magnitude, visible 

 at Greenwich in 1S26, 325-325 



Henry, (M.) on the action of carbonic acid on hydrosulphurets, 393 



Herschel, (J. F. W. Esq.) on the inferiority of reflecting telescopes 

 when compared with refractors, 2SS-293 



High operation for the stone, account of a successful case of, 44-50 



Hoarfrost, peculiar appearance exhibited by, 40-44 



Home, (Sir E.) on the source of animal heat, 306 — 335-337 



Honey of the Lecheguana wasp, relation of a case of poisoning by, 

 404- 40S 



Hutchinson, (A. Copland, Esq.) letter from, to Sir E. Home, Bart, 

 on a successful case of the high operation for the stone, 44-50 



Hygrometric property of sulphuric acid, notice of, 400 



Inspiration of inflammable gas, 393, 394 



Instrument for destroying stone in the bladder, description of, 21-24 

 Iodine, its existence in a mineral substance, 173, 174 

 Iron furnaces, metallic titanium found in, 176 ; ore hematitic, re- 

 cent formation of, 1S7, 188 ; stone, phosphate of lime found in, 

 412, 413 ; tenacity of, as applicable to chain-bridges, 162, 163 



Jardine, (Mr.) experiments of, on the strength of leaden-pipes, 



375, 376 

 Johnson, (J. R., M.D.) further observations by, on Planarioe, 334, 



335 



Karsten, (M.) observations by, on the solution of steel and iron in 

 acids, #c, 395-396 



Kater, (Capt. Henry) account by, of the construction and adjust- 

 ment of the new standard of weights and measures, 299-303 



Kiddy (J., M. D.) on the anatomy of the mole-cricket, 329-334 



