ADAPTA TIONS 
105 
Figure 92. — Eight-foot Florida Alligator. 
times the color of leaves or bark. Some that are harmless are 
colored much like poisonous snakes. An adaptive feature 
of the crocodile is a fold of skin which shuts off the mouth 
from the throat and prevents water from entering the 
throat while the crocodile is drowning its prey. The old 
world chameleons have their feet modified for clasping 
Figure 93. — Poisonous Lizards — The Gila Monster. 
Native of Mexico. 
