12 



THE LIFE-STORY OF INSECTS [CH. 



applied to it, is not inappropriate. The baby cock- 

 roach (fig. 4 d) is known by its flattened body, 

 rounded prothorax, and stiff, jointed tail-feelers or 

 cercopods; the baby grasshopper by its strong, 

 elongate hind-legs, adapted, like those of the adult, 



Fig. 4. Common Cockroach (Blatta orientalis). a, female; b, male; 

 c, side view of female ; d, young. After Marlatt, Entom. Bull. 4, 

 U.S. Dept. Agric. 



for vigorous leaping. During the growth of the 

 insect to the adult state there may be four or 

 five moults, each preceded and succeeded by a 



