444 



Facial Nerven, on the difference of the functions in certain, 

 illustrated by their anatomy in the inferior animals, and by 

 a comparison of their uses in man and brutes, 231-240 — 

 comparative anatomy of the fifth pair of facial nerves, 240-243 



Faraday (Mr.) experiments and observations on some new elec- 

 tro-magnetical motions, and on the theory of magnetism, 74, 

 96, 416, 421 — on two new compounds of chlorine and car- 

 bon, and on a new compound of iodine, carbon, and hydro- 

 gen, 129, 130 — account of a new apparatus for the exhibition 

 of rotatory magnetic motion, 186, 187, 283-285 



Fat bodies, results of the decomposition of by ignited oxide of 

 copper, 323-324 



Fire, by its heat, can thicken homogeneous bodies, 56, 57 — 

 can thicken water, 58-60 — and air, 61-64 



Flaucjergues, (M.) observations of on the heat of the sun's 

 rays during the solar eclipse of September 7, 1820, 313,314 



Fossi/-6owes discovered at Plymouth, 124, 125, 133 



France, economy of the chemists of, compared with that of 

 the English chemists, 355, 356 



Fresco ■painting, a new process for the preservation of, 406, 

 407 



Garnet, analysis of, 329 



Gas-tar, useful green paint made from, 407 



Gases from oil and coal, experiments on, 135, 136 — successful 

 application of gas to the illumination of the clock-dial of the 

 Tron Church at Glasgow, 229—231 



Gazzrri (Professor) abstract of his essay on manures, 332, 334 



Gem, ancient, representing CEdipus expounding the enigma of 

 the Sphinx, 11, 12 



Giesse (M.) account of a supposed new metal from the resi- 

 duum of sulphuric acid, 315, 316. 



Glasgow, account of the mode of illuminating the clock-dial on 

 the steeple of the Tron Church at, 229-231. 



Gold, experiments on some combinations of, 318, 319 



Greew (Mr.) ascent of in a balloon from Portsea, 115 — obser- 

 vations and experiments made by him during his aerial 

 voyage, 116 — remarks thereon, 117, 118 



Grouvelle, (M.) on the combinations of oxides with chlorine, 

 iodine, and cyanogen, 174-177 — on various compounds of 

 chromium, 319-321 



Gums, salivation and ulceration of, produced by hydro-cyanic 

 acid, 428 



Hansleen, (Professor) experiments of, for determining the law of 



magnetic attraction, 335-337 

 Hastings, (Dr. Charles) observations of, on the division of the 



eighth pair of nerves, 96 



