|Alternative reference number
|'Explanation of the Picture describing the manner of Sowing, gathering and drying the Grana or Cochineal done by an Indian [sic] in the Bishoprick of Oaxaca in the Kingdom of Mexico in America'
|Read to the Royal Society on 26 April 1722
|View item on Science in the Making
|RBO/16/6 for Dr Houston's account of the cochineal harvest with figure
|Related records in the catalogue