MANUAL OF PAL.T.ONTOLOGY 



FOE THE USE OF STUDENTS 



^VITH A GE2sEEAL IXTRODUCTIOX OX THE 

 PRIXCIPLES OF PAL-EOXTOLOGY 



BY 



HENRY ALLEYNE NICHOLSON 



M.D., D.Sc, Ph.D., F.R.S.E., F.G.S., &c. 



PROFESSOR OP NATURAL HISTORY IX THE UXIVERSITY 

 OF ST ANDREWS 



SECOND EDITION 

 REVISED AND GREATLY ENLARGED 



IN TAVO VOLS. 



VOL. II. 



WILLIAM BLACKWOOD AiN^D SOKS 



EDINBURGH AND LONDON 



MDCCCLXXIX 



All Rights reserved 



