The Rare EarthsNote 72 — Chapter IV · THE TANTALO-COLUMBATESReading editionIbid. 1901, 34, 1064.◇[73] Ber. 1910, 43, 1807.◇Copy noteReturn to CHAPTER IV THE TANTALO-COLUMBATESReturn to CHAPTER IV THE TANTALO-COLUMBATES