Minutes of Proceedings. 203 



anthropoids ; the fronto -orbital sulcus is really homologous to the 

 anterior limiting sulcus of the insula in the human brain. 



This closes my imperfect summary of Dr. Cunningham's investi- 

 gations. The Memoir appears to me to show everywhere the hand of 

 a master. It exhibits, in addition to patient and laborious research, 

 and extraordinary learning in the history of cerebral study, such 

 originality, penetration, and breadth of view as, in my opinion, stamp 

 it as one of the most important scientific Papers ever contributed to 

 our Transactions. 



There is added to Dr. Cunningham's Memoir a chapter by Mr. 

 Yictor Horsley. Its object is to determine, as accurately as possible, 

 the local relations of the chief fissures and gyri in the brain to different 

 portions of the enveloping cranium, regard being had to variations 

 arising from the size of the head, from age, sex, and pressure distor- 

 tion. The axithor insists on the importance of using Dr. Cunningham's 

 mode of preparing the cerebrum for study, and on the necessity of the 

 measurements taken being not absolute, but relative to a general 

 index. He proceeds to examine from his point of view the topography 

 of the cerebrum as a whole, that of the fissures which separate lobes, 

 that of those which sub-divide lobes, and, finally, that of the island of 

 Eeil. Throughout he recognises the great advance in our knowledge 

 of the brain due to the labours of Dr. Cunningham, from none of whose 

 conclusions do I find him dissenting. It would be impossible for me 

 in the present address — even if I were competent for the task, to 

 give an abridged view of the great body of details into which he 

 necessarily enters. I will only say that I have been much impressed 

 by the evidences to be found in his contribution to the Memoir, of 

 the great ability, the extensive learning, and the thorough command 

 of his subject, which, fi'om his high reputation, it would be natural to 

 expect. 



li. 



The next Memoir of which I have to speak is that of Dr. MahafEy 

 on the Flinders Petrie Papyri. In passing from Cerebral Anatomy 

 to the Literse Humaniores, I feel myself to some extent on firmer 

 ground. But, though I was led in past years, as Librarian of 

 Trinity College, to pay attention to some branches of Palaeography, I 



