ESSAYS AND OBSERVATIONS 



ON 



NATURAL HISTORY, ANATOMY, 

 PHYSIOLOGY, PSYCHOLOGY, AND GEOLOGY. 



By JOHN HUNTER, F.R.S, ; 



BEING 



HIS POSTHUMOUS PAPERS ON THOSE SUBJECTS, 

 ARRANGED AND REVISED, WITH NOTES : 



TO WHICH ARE ADDED, 



THE INTRODUCTORY LECTURES 

 ON THE HUNTERIAN COLLECTION OF FOSSIL REMAINS, 



DELIVERED IN 



THE THEATRE OF THE ROYAL COLLEGE OF SURGEONS OF ENGLAND, 

 MARCH 8th,. 10th, and 12th, 1855 : 



By RICHARD OWEN, F.R.S., D.C.L., 



superintendent or THE NATURAL HISTORY DEPARTMENTS, BRITISH MUSEUM ; 



FULLERIAN PROFESSOR OF PHYSIOLOGY IN THE ROYAL INSTITUTION OF GREAT BRITAIN ; 



FOREIGN ASSOCIATE OF THE INSTITUTE OF FRANCE, ETC. 



VOLUME II. 



LONDON: 

 JOHN VAN VOORST, PATERNOSTER ROW. 



MDCCCLXI. 



[The right of translation is reserved.] 



