PHYLOGENETIC CLASSIFICATION 



OF 



ANIMALS 



(FOE THE USE OF STUDENTS), 



/ 



BY 



W. A. HEEDMAN, D.Sc, . ^, '^\^^ 



F.L.S., F.R.S.E 



PEOrEBSOR OF NATURAL HISTORY IN UNIVERSITY COIiLEGE, LIVERPOOL 



N^' 



WITH ILLUSTRATIONS. 



LONDON : 



MACMILLAN AND CO. ; 



LIVEBPOOL: ADAM HOLDEN. 



1885. 



