 | H. W. Tilman - 2004 - 938 pages
...petrifactions and the most common are Ammonites, half embedded in a ball of stone exactly of the same nature as the petrified animal. Others, which are reckoned the...has afterwards decayed and left only its impression. Some balls have no external opening, and yet by rubbing away a portion of one of their sides the hollow... | |
 | 290 pages
...glimpse of the snows on the way home. Baudha is on the right and next to it is Himal Chuli. See page 207. the most valuable, are balls containing a cavity formed...has afterwards decayed and left only its impression. Some balls have no external opening, and yet by rubbing away a portion of one of their sides the hollow... | |
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Ammonites, half imbedded in a ball of stone, exactly of the same nature with the petrified animal. Others, which are reckoned the most valuable, are balls containing a cavity formed by an Ammonite, that has afterwards decayed, and left only its impression,... 