Darwin-Hooker Letters : Letter from C. R. Darwin to J. D. Hooker 13 July [1861]
Darwin, Charles Robert
Darwin-Hooker Letters
<p style='text-align: justify;'>Has worked out homologies of orchids’ pollinia and rostellum.</p><p style='text-align: justify;'>On W. H. Harvey’s review ["The natural evolution of organic species considered", <i>Dublin Hosp. Gaz.</i> 8 (1861): 146–52].</p>