Darwin-Hooker Letters : Letter from J. D. Hooker to C. R. Darwin [25 January 1869]
Hooker, Joseph Dalton
Darwin-Hooker Letters
<p style='text-align: justify;'>Does not fact that characters important in systematics are often of no use, corroborate CD’s view that such characters, if not detrimental, may persist <i>ad infinitum</i>?</p><p style='text-align: justify;'>Social news.</p>