47-i 



INDEX. 



440; lunar, measured by a sextant, 

 329 

 Elasticilt/ of vapours, 193 



Electrical conductors for ships, 231 ; 

 phoDiioinena in vacuo, 179 ; sliocks 

 from a cat, 467 



Eleclricittf. Magnetism amcasureof,253 

 Elephant's bones from Xorfolk coast, 

 134 

 Elks, Wappeti, 76 



Ellis's discovery of the effect of cold on 

 magnets, i>02, 340 



Encyclopadia, Edinburgh, on observa- 

 tories, 1 93 

 Englcficld, Sir H. 460 

 Eqiuitioiis. On Sudan's method of ex- 

 tracting roots of, 173 

 Evaporation. Hygrometer by, 81 

 Eipaiuive force of steam, 452 

 Ei]>eclitiou, American, to the South, 149; 

 North- West land, 323 ; Prussian to 

 Africa, 150; French, 148; English 

 to the Red Sea, 147; Russian, 469 

 Expemnciils, frigotific, 199; galvanic, 

 358 ; on alloys of steel, *355 

 Faraday on the alloys of steel, *355, 

 363; on the action of acids, 319 

 Floods in Dorsetshire, 377 

 Flowers. Pollen of, 56, 452 

 Fluids, elastic. Motion of, 156 

 Fonnau's, Captain, theory of tides, 88, 

 210, 267, 335 

 Formic acid. Artificial formation of, 230 

 Foot-rot in sheep, 218 

 Forster ( Dr. T. ) on the autumnal blow- 

 ing of the Narcissus, 343, 426 ; on 

 tliunder-storms, 195 

 Fraiienhofer s new micrometer, 314, 429 

 Franklin, Captain, 323 

 Furnaces, iron, 166, 249 ; blast, origin 

 of, 401 

 Galvanic pha;nomena, 358 

 Gits from oil-seeds, 69 

 Gaseous spring, 77 ; gaseous repulsion, 

 hypothesis of, 18 

 Gases, capacity of, for caloric, 155 

 Gauging apparatus, 241 

 Gcoffroy St. Hilaire on incubation, 

 150 

 Geological Society. Transactions of, 330 

 Geology of Sussex, 21 1 

 Gowcr's life-boat, 409 

 Greenland. Discoveries in, 234 

 Grooby on Dr. Maskelynu's 36 stars, 

 49, 93, 450 

 Gull, black-toed, 395 

 Gutieridge on ■ weights and measures, 

 241, 418 

 J/nrrfing (Prof.) on the comet, 322 

 7/art- on the stor.iach, 377 

 IlciU from chloiine, 61, 100 



Heauens. Survey of, 427 



Hellebore. Analysis of, 70 



Hciiiipodixts nivosus, S53 



Herujmth on gaseous repulsion, 18 ; 

 theory, 77, 285; reply to Dr, Apjohn, 

 193 

 Hcrschel (Mr.) on lenses, 147 



Herschel (Sir Wm.) 236, 459 



Homer. Manuscript of, 394 



Horce EntomologiccB, MacLeay's, 388, 

 464 

 Horse-shoes, improved, 77 



Horticultural Society, 380 



Hutton's hygrometer, 81 



Hydrogen gas, ai-seniuretted, 70 



Hygrometer, by evaporation, 81 



Ibbetson (Mrs.) on polkn of flowers, 

 56 

 Ice-house. Air from, 266 



Iceland. Ornithology of, 234 



Incubation, 150 



Imws on Eclipses in 1823, 440 



Iris, lunar, 317 



Iron, alloys of, 355, 363 ; Tredgold on, 

 1.37 

 Iron and Zinc from bank-notes, 75 

 Iron, hot, magnetic action of, 343 



Iron, meteoric, analysis of, *.'i58 



Iron. Origin and discovery of, 161, 

 249 

 Ivory on the hygrometer, 81 ; on the 

 doubk altitude problem, 167 



Kirby, Rev. W., 464 



Konigsberg, survey of the Heavens at, 

 427 

 Laplace on caloric, 321 



Latitude, new method of determining, 

 43 

 Lc Cayma ( A. ) on the autumnal bloom- 

 ing of spring flowers, 426 

 Lectures, 159, 239 

 Lenses, aberrations of, 147 

 Leslie's hygrometrical experiments, 81 

 Life-boat, Gower's, 409 

 Lightning. Effect of, 61 

 Linnaaii Society of London, 388, 455, 

 464 

 Linna-an Society of Paris, 146 

 Lithography, 206, 325 

 Littrou's new method of determining 

 latitude, 43 ; on the repeating circle, 

 &c. 263 ; on Franenhofer's micro- 

 meter, 314 

 Lowry's, Miss, Conversations on Mine- 

 ralogy, 454 

 Lunar distance. On the, 271 

 Lungs, action of, to restore, 374 

 MacLeay on relations of Affinity and 

 Analogy, 388, 464 

 Magnet. Effect of cold on, I ^9, 340 

 Mugnelic action of hot iron, 343 



