THE P8EUD0-NEVR0PTEBA. 
119 
Other examples of Orthoptera are Mantis (Fig. 143), the 
curious leaf insect (Fig. 144), and the stick insect (Fig. 145). 
Fig. 144.— Leaf insect (Phylium). Fig. 145.— Stick insect. 
Half natural size. 
Order 4. Platyptera, — The white ants liye in stumps 
and fallen trees, and in the tropics do much harm by un- 
FiG. 146.--Dragon-fly (Diplax Elisa). Fig. Hl.—Agrion. Nat. size. 
dermining the timbers of houses, and destroying furniture, 
books, etc. Their colonies are very populous. In our white 
ant there are, besides males and females, workers and sol- 
