On the Origin of Species · ¶1214
Sterility: from changed conditions of life, 9. of hybrids, 246. laws of, 254. causes of, 263. from unfavourable conditions, 265. of certain varieties, 269.Read in context ›
Charles Darwin · John Murray, London, 1859, first edition · Gutenberg #1228; original diagram from Darwin Online F373
Charles Darwin · John Murray, London, 1859, first edition · Gutenberg #1228; original diagram from Darwin Online F373
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