62 



FIEST BOOK OP ZOOLOGY. 



In the grasshopper, the front-wings are long and narrow, 

 while the hind-wings are large and broad. When the grass- 

 hopper is at rest, the hind-wings are folded together pre- 

 cisely like a fan, and, when closed, rest against the sides of 

 the abdomen, the long, narrow front-wings closing down 

 upon them, and covering them. 



60. Let the pupils prepare a grasshopper, with the wings 

 spread as in the act of flying. A specimen which is dry may 

 be moistened by wrapping it up in a piece of wet cloth, and 

 letting it remain a day or two. 



Fig. 64. — GEASSHOPPEa with the "Wings of one Side expaitoed. — ■/, Forward-wing; ^, 

 Hinder-wing. 



Having softened the joints of the insect in this way, it 

 may then be pinned to a piece of cork, or a pin-cushion, 

 and, the wings having been stretched, they may be pinned 

 in this position, using triangular bits of card through which 

 the pins are passed to hold the wings in place, as represented 

 in Fig. 64:, which shows a grasshopper with the wings on 



