Darwin-Hooker Letters : Letter from C. R. Darwin to J. D. Hooker [November–December 1854]
Darwin, Charles Robert
Darwin-Hooker Letters
<p style='text-align: justify;'>[Recto:] CD defines "aberrant genus".</p><p style='text-align: justify;'>[Verso:] JDH’s list of families, [presumably] with aberrant genera, and [presumably] the number of species in each genus.</p>