INDEX, 449 



Grouvelle (M,), disingcnuousness of, exposed, 8, 9 ; on the sub- 

 nitrates and super- nitrate 3, 396, 397 



Hallers (Baron), theory of irritability considered, 98 — 102 

 Hanstein (Professor), discoveries of in terrestrial magnetism, 



432, 433 ; results of his observations on the intensity of the 



magnetic force in different parts of the world, 434 

 Heart, existence of nerves in, denied by Soemmering, 102, 



103. Asserted by Scarpa, !03 ; and again denied by Bichat, 



103, 104. Observations on M. le Gallois's account of the 



uses of the cardiac nerves, 105— 109 

 Heat of solutions, crystallized by exposure to air, 228 ; in the 



moon's rays, remarks on, 229 ; etiect of, on the colour of 



the ruby, 427 

 Hebrides (Islands), geology of, 192 

 Hellebore (black), analysis of the roots of, 150 

 Htncks (Rev. Edward), on secret writing, 136 

 ' History of Learning,' bibliographical notice of, 42, 43 — 50 

 ' Histori/ of the pi esent state of the Republic of Letters,' 293 

 ' History of the Works of the Learned,' notice of, 51, 301 

 Hooping-cough, vaccination a remedy for, 441 

 Hop, analysis of, 402 — 404 

 Horse, analysis of, a salivary calculus of, and also of its saliva, 



399, 400 

 Hours, table of equivalents for converting into space, 394 

 Humboldt (Baron) on the geography of plants, 162 — 164 

 Hunter (Mr.), observations of, on the vitality of the blood, 111, 



112 

 Hyalograph, notice of the instrument so called, 425 

 Hydriodide of carbon, 429 



Jce, on the formation of, in the beds of rivers, 228 

 Intermittent Fevers, sub-nitrate of bismuth, a remedy for, 233 

 Iodide of potassium, new compound formed by mixing a solution 



of, with a solution of cyanide of mercury, 401 

 Iron, analysis of native chromates of, 436; recent iron-pyrites 



discovered, 437 

 Irritability, summary of Mailer's theory of, 98, 99 ; remarks 



thereon, 99—102 

 Jaundice, cure of, by phosphoric acid, 233 

 Journal des Scavans, notice of, 36 

 Juno, places of, for 1822, 208 



Kermes mineral, preparation of, 428 



Langier (M.), analysis of a meteoric stone by, 420 

 Lead, the weight of, not increased by the consumption of the 

 aerial parts, 136 — 138 ; nor by soot, 138 — 140 ; nor from the 

 vessel in which it is calcined, 140 ; nor from the vapours of the 



