[24]It is mentioned by the author, as a chemical test or reagent: it may, by decomposing it by ignition with charcoal, or with an alkaline carbonate, be made to afford its earth for the preparation of barytic tests, but we are not aware that it is itself ever used as a test.
[24]It is mentioned by the author, as a chemical test or reagent: it may, by decomposing it by ignition with charcoal, or with an alkaline carbonate, be made to afford its earth for the preparation of barytic tests, but we are not aware that it is itself ever used as a test.
[25]They are attributed by the author to phosphorus. Is it supposed to be in the form of phosphuretted hydrogen? May not these be electrical phenomena?
[25]They are attributed by the author to phosphorus. Is it supposed to be in the form of phosphuretted hydrogen? May not these be electrical phenomena?
[26]According to Dr. Meade, the Missouri ore affords only a trace of silver. (See Bruce's Minl. Journal, vol. 1, p. 10.)
[26]According to Dr. Meade, the Missouri ore affords only a trace of silver. (See Bruce's Minl. Journal, vol. 1, p. 10.)
[27]Mr. Schoolcraft thinks it may yield seventy per cent.—it gave him by analysis eighty-two per cent.
[27]Mr. Schoolcraft thinks it may yield seventy per cent.—it gave him by analysis eighty-two per cent.
Transcriber's NoteSome inconsistent hyphenation and spelling in the original document has been preserved.Typographical errors corrected in the text:Page 24 musquitoes changed to mosquitoesPage 64 develope changed to developPage 94 M'Gary's changed to M'Garey'sPage 103 20th changed to 29thPage 110 brandt changed to brantPage 113 Gasconage changed to GasconadePage 139 Quiquate changed to QuiguatePage 155 emigate changed to emigratePage 155 Philips changed to PhillipsPage 156 Peora changed to PeoriaPage 160 scientic changed to scientificPage 161 borers changed to bordersPage 170 M'Kane's changed to M'Kain'sPage 186 octohedral changed to octahedralPage 191 precicision changed to precisionPage 196 develope changed to developPage 207 1719 date in paragraph 39a may be 1749Page 208 irridescence changed to iridescencePage 211 octohedrons changed to octahedronsPage 217 annnally changed to annuallyPage 246 some changed to samePage 254 coutained changed to contained
Transcriber's Note