CHAP. IX. DESCRIPTION OF THE ORDER OF INSECTS. 49 



of the body (such as the larva of the June Beetle, Fig. 139, 2 ); 

 besides these there are some kinds having a fleshy proleg 

 beneath the last segment (as the larva of the Striped Cucum- 

 ber-beetle, Fig. 140). Others are entirely destitute of legs. In 

 all of them the head is distinct. Some undergo their trans- 

 mations in the substance in which they live; others enter the 

 earth and spin a slight cocoon (Fig. 139, i). The pupse 

 have the legs, etc., enclosed in separate sheaths (Fig. 131, i). 



141. 



Fig. 140. 



^RTHOPTERA, ( 'Grasshopper , Crickets, etc.) The insects 

 which belongs to this Order usually have four wings; the wings 

 of the anterior pair are thickened or parchment-like, and over- 

 lap each other on the back (as those of the Katydid, Fig. 141), 

 except in the Earwigs (Fig. 41). The posterior wings are 

 thinner, and when at rest are folded up lengthwise, like a fan, 



