On the Origin of Species · ¶938
Gärtner: on sterility of hybrids, 247, 255. on reciprocal crosses, 258. on crossed maize and verbascum, 270. on comparison of hybrids and mongrels, 272.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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