INDEX. 



Home, Mr. on the nature of the inter- 

 vertebral substance in fish and qua- 

 drupeds, 13— On animal secretions, 

 136 



Horse-radish, acrid principle of, 111 



Hoven cattle, see Cattle 



Houses with earthen walls, 58 



Howard, L. Esq. on meteorology, 212 

 —Answered, 610 



Hubbard, Mr. his account of several 

 varieties of British marble, produced 

 from the Babicomb quarry, near 

 Teignmouth, in Devonshire, 27 



Humboldt, M. on the volcanoes of 

 Jorulloj 81 — His physical view of 

 the equatorial regions, drawn up 

 from measures taken, and observa- 

 tions made on the spot, from the 

 tenth degree of north to the tenth of 

 south latitude, 371 



jmrie, Lieut. Col. on a vein of green- 

 stone in Glenco, 79— On the minera- 

 logy of the Grampian Rock, 239 



Insects of the South of France, 158 



Iron, oxidation of, 147 



J- 



Jorullo, volcanoes of, 81 



K. 



Keate, Mr. 179 



Kirwan, Mr. on mineral waters, 274 



Klaproth, M. his chemical inquiry into 



the composition of some weapons and 



utensils of ancient bronze, 86 

 Kohl Rabi y or purple turnip-cabbage, its 



superiority over other kinds of feed 



for sheep, 24 

 Krjes, Prof, on radiant heat, 314 



" Lambert's Pyrometry,' 

 Lassonne, M. 226 

 Lauraguais, M. 226 



44 



Lava found in clink-stone, 381 



Lavoisier, M. on the combustion of char- 

 coal, 163— -On the oxidation of iron, 

 147 • 



Lax, Rev. W. on a method of examin- 

 ing the divisions of astronomical in- 

 struments, 360 



Lead, changes of density produced in 

 by pressure, and the action of distilled 

 water on it, 104 



Leslie, Professor, his doctrine of radiant 

 heat, 75, 106 



Leybouin, Mr. his " Mathematical Re- 

 pository,'' 239 



Lime, sulphate of, precipitation of a 

 solution of, 237 



Linchpin for carriage wheels, 189 



M. 



Macknight, Dr. on the mineralogy of 



the Highlands, 78, 236 

 Man-traps, improved construction of, 



55 

 Marbles, British, varieties of, 27 

 Marcet, Dr. on the mu iate of magnesia, 



•274 

 Maskelyne, Dr. communication from, 

 on a method of examining and di- 

 viding astronomical instruments, 360 

 Mason, Mr. W. W. his method of stab- 

 bing hoven cattle, to discharge the 

 raiefied air from the stomach, when 

 they have been overfed with moist 

 clover- grass, 294 

 May cock, S. D. Esq. his remarks on 

 Professor Leslie's doctrine of radiant 

 heat; with experiments to show, that 

 caloric can pass through transparent 

 media without heating them, 75, 106 

 Meadow-land, preparation of, 355 

 Mellip, Count Von, his method of in- 

 creasing the durability of tiles, 312 

 Menachanite in micaceous schist, 94 

 Metals, ductile, tenacity of, 102 

 Metals, electro-chemical experiments 

 on, 322 



Meteorological 



