Referee's report by Thomas Henry Huxley, on a paper 'On the structure and development of the skull in the ostrich tribe' by William Kitchen Parker Recommended for publication in the 'Philosophical Transactions of the Royal Society'. Has previously become familiar with the paper and presented on it and the subject to the Royal Society. All the illustrations should be published. Suggests the appendices should be omitted. Subject: Zoology and Physiology [Published in the Philosophical Transactions of the Royal Society, 1866] 6 December 1865