CEKEBEAL STRUCTURE OF MAN AND THE APES. 137 



mistes presents a, la seance. La seul doute qui soit reste se rapporte 

 au pes Hippocampi minor. . . . . A I'etat frais Tindice du 

 petit pied d'Hippocampe etait plus prononce que maintenant." 



Professor Owen repeated his erroneous assertions at the meeting 

 of the British Association in 1861, and again, without any obvious 

 necessity, and without adducing a single new fact or new argument, 

 or being able in any way to meet the crushing evidence from original 

 dissections of numerous Apes' brains, which had in the meanwhile 

 been brought forward by Prof. Rolleston,* F.R.S., Mr. Marshall,t 

 F.R.S., Mr. Flower,:]: Mr. Turner § and myself,|| revived the subject 

 at the Cambridge meeting of the same body in 1862. Not content 

 with the tolerably vigorous repudiation which these unprecedented 

 proceedings met with in Section D, Professor Owen sanctioned the 

 publication of a version of his own statements, accompanied by a 

 strange misrepresentation of mine (as may be seen by comparison of 

 the ' Times' Report of the discussion), in the ' Medical Times' for 

 October 11th, 1863. I subjoin the conclusion of my reply in the 

 same journal for October 25th. 



" If this were a question of opinion, or a question of intei*preta- 

 tion of- parts or of terms, — were it even a question of observation in 

 which the testimony of my own senses alone was pitted against 

 that of another person, I should adopt a very different tone in dis- 

 cussing this matter. I should, in all humility, admit the likelihood 

 of having myself erred in judgment, failed in knowledge, or been 

 blinded by prejudice. 



" But no one pretends now that the controversy is one of terms 

 or of opinions. Novel and devoid of authority as some of Professor 

 Owen's proposed definitions may have been, they might be accepted 

 without changing the great features of the case. Hence, though 

 special investigations into these matters have been undertaken 

 during the last two years by Dr. Allen Thomson, by Dr. Rolleston, 



* On the Affinities of the Brain of the Orang. Nat. Hist. Review, April, 

 1861. 



f On the Brain of a young Chimpanzee. Ibid. July, 1861. 



:}: On the Posterior lobes of the Cerebrum of the Quadrumana. Philoso- 

 phical Transactions, 1862. 



§ On the anatomical Relations of the Surfaces of the Tentorium to the 

 Cerebrum and Cerebellum in Man and the lower Mammals. Proceedings of 

 the Royal Society of Edinburgh, March, 1862. 



I On the Brain of Ateles. Proceedings of Zoological Society, 1861. 



