12S 



ZOOLOGY. 



size and very long tongue. 



The butterflies differ from the 

 moths in having knobbed an- 

 tennae, while their chrysalides 

 are often ornamented with 

 golden or silvery spots. 



Order 16. Hymenoptera. — 

 The bees stand at the head of 

 the insect series in perfection 

 of parts, especially those of the 

 mouth. 



The Hymenoptera are repre- 

 of Anomis xyhua, the cotton sented by the saw-flies, the gall- 



Army-worm. ,-,.-, „• i 



flies, the ichneumon-flies and 

 the ants, the sand-wasps, mud-wasps, paper-making wasps, 

 and bees. 



The lowest family is the Uroceridce, or horn-tails (Fig. 



Fig. 168.— Gall-fly of oak. 



Fig. 166.— Horn- 

 tail: larva of 



Treme.c co- 

 lumba. Nat. 

 size. 



Fig. 167 — Pear Ship, 

 natural size, gnaw- 

 ing leaves, a, lar- 

 va enlarged ; b, the 



fly. 



Fig. 169.— An Ichneumon-fly. 



