INDEX. 



377 



Chaumeion on meJJcal entomo- Karlh. The annual parallax of, 



189 

 Earthen ivare. On glazed, 3 1 t, 

 Econoinca! Society ofLeipsic, 1 8j 

 E(iel-rant%''s safety-valve, zi.\ 

 Electrical phcenomen'jV.. A new, 

 i6z 

 EL-ctr'icity. Blot en, 363 ; new 



experiments on, by Libes 

 Electrophorus. On the, 2S9 



En^L'fielu s preparation of lake, 



Enlomolugy. On, 230, 34^ 



Fires in sLi[s. On extinguish- 

 91 



logy, ."-30, 544. 



Chifney's patent, Q5 



Chine. Russian embassy to, 281 

 Chinese co:'n, 242 



Churchman's plan of surveying, 

 3-r 

 Clennel on tlie secrets of manu- 



facfories, 288 



Cloth. An incombustible, 2^3 

 Cort/, On the Bovey, 48, 147 ; 



strataof pits, 203, 304; yields 



petroleum, 191 



Ccal pit. Account of sinking 



the IVilHam, 275 



Ccio-nut tree. Nat. hist, of, 77, 



Coe's patent, 

 Cold reflected 



373 

 concave 



from 

 mirror, 

 Colour-mill, A new, 

 Commerce, maritime. Of Bengal, 



3-7 



Copper. On tinning, 313 ; to 



separate from silver, 352 



Corn. On blight in, 320 



Corn. Machine for thrashing, 



Cru'k-hank''s experiments on 

 dividing the spinal marrov/, 



73 

 Ciis.'cms. Singular, 26 



Dayiais. Tinctorial properties of. 



Deafness. A cure for, 1 1 j 



Death, 3 7 I 



Delamethcrie's account of Hum- 

 boldt's travels, 353 

 De Lancey on preserving pota- 

 toes, 1 1 7 

 Denz.ie's patent, 373 

 De Prato on the apparent re- 

 pulsion between fluids, 154 

 D'v'ing machine. Patent, 372 

 Dodtl's patent, 373 

 Dyfinj^. On plants used in, 35 ; 

 patent for, 9 J 



Fluix o\\ the coco-nut tree, 77, 

 ) 10 

 Flax sprnning. Patent, 95 



173 Flue. Patent, 37^ 



176 Fluids. On the apparent repul- 

 sion of, I 1J4 

 Fluoric ether. On, 204 

 Fossils. On the formation of, 40 

 Fossil animals, ''90» 367 

 Fr nch National Institute, 279 

 Fullartoti's ■pcilcnt, 272 

 Furnaces made of amianthus. 



243 

 Galvanism. Gilding effected by, 

 187 ; muriate of soda pro- 

 duced by, 279; Giobert on, 



Gard on pithing cattle, 69 



Geographical nnprcfvemtnt, 2 j i 

 Geoff'roy on mammalia, 28 



Geohg'icnl remarks, 40, 1 89, 20 i 

 Gilding silver. Hint for a new 

 method, 187 



Gluten of lac, ' 3 • ' 7 



Glass, sheet. Patent for flatten- 

 ing, 95 

 Gold. i>«cw way of refining, 125 

 Gum adracanth resists iire, 244 

 Gun-lock. Pa'enr, 373 

 Gunpowder. Effects of quicklime 

 on, 245 

 Cuy-Lussac^s aerial voyage, 220 



\Earh's patent. 



374 Htulivood's patent, 95 



ILmd-milt. 



