39 2 



TEXT-BOOK OF ZOOLOGY 



B. Locomotion. 

 Unless seized very rapidly, the grasshopper escapes our grasp. 



(a) By means of its hind-legs, which are distinguished by their great 

 length and the thickness of the femurs, the insect can execute powerful 

 leaps. (Compare with other saltatorial animals.) 



(b) For longer journeys, however, the insect makes use of its long 



(Jkeen Giiassiiiiiter. Xatuval size.) 



M., Male ; "VV., female depositing eggs in the earth ; at E. a little heap of eggs ; 1 to 5, lavvre 



in different stages of development. 



wings, the posterior pair of which only are employed as organs of flight. 

 During rest they are folded together like a fan beneath the narrow fore- 

 wings, which meet like the roof of a house, and, as in beetles (see 

 cockchafer), serve as wing-covers, or elytra. 



