In my February 2012 article, “Darwin’s Invention: Inheritance & the 'Mad Dream' of Pangenesis” (American Biology Teacher 74, 86–91), I inadvertently combined one of the Darwin quotes with commentary of mine. The quote should not have included the phrase “[O]rgans frequently used for a purpose are selected…in successive generations.” The actual statement from Darwin on page 371 of Variation of Plants and Animals Under Domestication (1868) reads:

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