h 
Ralph De Sola, Federal Writers’ Project. 
SOUTH AMERICAN OR GREAT TEGU (Tupinambis teguixin). Length: 4 feet. 
Range: Northern South America. 
A GRAPHIC ESTIMATE OF THE LIVING ANIMAL WORLD 
Note: Figures refer to the number of species 
ANp 
WORM-LIKE 
COECILIANS 
SO 
SALAMANDERS 
and NEWTS 
150 
TURTLES 
250 
TUATARA 
1 
CROCODILIANS 
25 
VERTEBRATES 
■ 
MAMMALS 
[4000 Species) 
■■ 
BIRDS 
[10000 " ” ] 
>»\ 
■ 
REPTILES 
[5000 ” " ] 
A 
AMPHIBIANS I* 800 ""I 
FISHES & OTHER CLASSES (2i3oo 
._. 
^/v/mal^ 
