402 INDEX. 



De la Rive on the conductibility of wood for caloric, 131 



Deluge, observations on the, 327, 366 



Don, Mr David, on the affinities of Vellosia, Barbacenia, Glaux, Au- 



cuba, Viviana, Deutzia, and Rubiaceae, 164? — on Rosa berbeii- 



folia, 175 

 Dutrochet, M. on a periodical spring on the Jura, 307 



Earth, on the formation of the, by Sir H. Davy, 320 

 Egg of omithorynchus, observations on the, 149 

 Eggs of birds, observations on the colours of, 98 

 Egypt, on the early history of, by Baron Cuvier, 334 

 Equiseta or horse-tail, on their chemical nature, 100 

 European mountains, their geological age considered, 293 

 Evaporation, apparatus for, 278 



Farquharson, Rev. James, on the serpentine rocks of Dee Side, 314 

 Fishery, cod, bait used in, 204 



Fleming, Dr, reply to Mr Conybeare on the climate of the Arctic Re- 

 gions, 65 

 Flora, ancient of the earth, remarks on the, 112 

 Forests of Scotland, on the ancient, 105 

 Furnaces, blast, heated air used in, 205 



Gad-fly, observations on the human, 284 



Gas, inflammable, native sources of, 108 



Geology of Spain, on the, 267 



Goethe on the metamorphoses of plants, 1 62 



Graham, Dr, on new and rare plants in the Edinburgh Royal Botanic 



Garden, 183, 368 

 Grouse, description of several new species of, 372 

 Growth of wheat and barley, observations on the, 154 

 Greece, dryness of the atmosphere of, 190 

 • on the early history of, by Baron Cuvier, 342 



Halle, M. biogiaphy of, 1 



Hartwell, M. Victor, examination of some minerals, 38 



Hart, Mr John, description of a heating apparatus, 175 



Hausmann, Professor, on the geology of .'Spain, 267 



Hermann, M. account of pjTophyllite, 40 



Herrings, periodical appearance of, in Highland lochs, 199 



Hoffmann, M. on the geology of Rome, 76 



Holothuria tubulosa, an article of commerce, 46 



Hya-hya, or Demerara milk-tree, account of the, 315 



Innes, Mr George, celestial phenomena, 187, 381 



Insects, on their domestication and geogiaphical dist ibution, 368 



Inder, salt lake of, notice regarding the, i 8 



Iron, improved mode of smelting, 205 



Jamesonite, a new mineral species analyzed, 292 



Jardine, Su- Wm., queries regarding salmon and trouts, 358 



Keilhau, Professor, on the geology of Spitzborgen and Cherry Islamlv 

 144 



