Ee a rn Fs, A rar 
, ff ay > eee - 
ostrilled or Amphirrhina 
ion, without gills. 
re 
ao | a eee 
A A An | Vi 
ul i 
ik ar 
i a 
iy | q 
H | 
I } 
<< == 
=> 
SS —— 
SS SSS 
so 8 
= SS —— 
eae 
SSS 
—— a 
y) 
0 ! 
fh, 
( \ i 
NNN 
mi iN 
( \ ( A) 
\ Ml 
Mi iW i} NV 
(i ik | 
\ iit MN) i aa MH 
\ ) ie Wi 
NK ) My fh ANU 
" i .: 4 
SS 
1 Relative lengths of the 5 
Singl wad Epochs in per centages. 
MONOPHYLETIC PEDIGREE Quarternary Epoch ...0.5 
of the Stem of the Tertiary Epoch. Liociuamaten’ Didehee 
Seco. 
BACK-BONED ANIMALS 
based on Paleontology. 
Primordial Epoch..53.6 
_ Archilithic. or 
Primordial Epoch. 
