MANUAL OF PALEONTOLOGY 



FOR THE USE OF STUDENTS 



WITH A GENERAL INTRODUCTION ON THE 

 PRINCIPLES OF PALEONTOLOGY 



BY 



HENRY ALLEYNE NICHOLSON 



M.D. D.Sc. M.A. PH.D. F.R.S.E. F.G.S. &c. 



PROFESSOR OF NATURAL HISTORY AND BOTANY IN UNIVERSITY COLLEGE, TORONTO , 



FORMERLY LECTURER ON NATURAL HISTORY IN THE MEDICAL SCHOOL 



OF EDINBURGH ; ETC. ETC. 



WILLIAM BLACKWOOD AND SONS 



EDINBURGH AND LONDON 



MDCCCLXXII 



All Rights are reserved 



