120 CRABS AND INSECTS. 
and long antennz, while the ovipositor is often as long as 
the entire body. The shrill cry is the call of the male, 
made by elevating the fore-wings and rubbing them on 
the hinder ones. Their eggs often exceed’ 300 in number, 
and are generally placed in the ground. 
Notr.—The mole cricket shows great affection for its eggs, placing 
them in underground cemented cells, and moving them near the surface 
or deeper, according to the weather. They have obtained such a hold 
upon the extreme outer keys of the Florida reef that it is almost im- 
possible to cultivate anything. 
Works on Orthoptera for further reference. 
“ North American Orthoptera and Catalogue of New England Spe- 
cies,” S. H. Scudder, in ‘“ Boston Journal of Natural History,” vol. vii ; 
‘« Songs of the Grasshoppers,” S. H. Scudder, ‘‘ American Naturalist,” 
vol. iii, p. 113. 
Order IV. Half-Winged Insects (emiptera).— 
General Characteristics.—Bugs having the mouth-parts in 
the form of a sucking beak; the fore-wings thickened at 
their base. 
Bird-Lice (1/allophaga).—These are low forms, para- 
sitic upon the hairs and feathers of other animals. Virmus 
lives on birds, Gyropus on the por- 
poise, etc. 
Bed-Bugs (Membranacei).— 
In this family are found the flat- 
bodied bed-bugs—Cimex (Fig. 
146). The eggs are oval, the 
young escaping by pushing up a 
regular lid at one end. They in- 
Fic.. 146.—Bed-bug. fest wood-work, pigeons, swallows, 
bats, and various animals. 
Chinch-Bugs (Zygeide).—In the common chinch- 
bug the female deposits about 500 eggs twice in a season. 
They appear upon wheat in June, and afford a good ex- 
ample of incomplete metamorphosis (Fig. 147). 
