PBEFACE. 



Soon after the death of the late Professor Goodsir 

 several of his friends thought that it would only be a 

 fit tribute to the memory of one who for so many years 

 had occupied a prominent position as a teacher and 

 man of science, to collect and arrange in an easily 

 accessible form his published anatomical memoirs, most 

 of which were scattered in Journals, or in the Transac- 

 tions or Proceedings of various learned Societies. 



On examining his manuscripts, it was found that 

 amongst them were several lectures and essays care- 

 fully written out for the press, and in some cases 

 even in proof, but which had not been published. 

 From the new facts, or from the expression of opinion 

 on questions of scientific interest, which they contained, 

 it has been decided to include them in this collected 

 edition of his writings. The duty of selecting those 

 lectures and memoirs which were considered most 

 worthy of preservation in this form lias been under- 



