32 



that's it ; 



INSECTA— INSECTS. 



180. 



Insects are divided into twelve orders : — 1, Coleoptera, sheath-winged, Beetles, A. 2, Strep- 

 siptera, twisted-winged, small Stylops. 3, Dermaptera, skin-winged, Earwigs, C. 4, Ortho- 

 ptera, straight- winged, Crickets, Grasshoppers, D. 5, Hemiptera, half- winged, Water-scorpions, 

 E, Plant-lice. 6, Trichoptera, hairy-winged, Caddice-flies, F, Water-moths. 7, Lepidoptera, 

 scale-winged, Butterflies, G-, and Moths, H. 8, Neuroptera, nerve-winged, Ant-lions, Dragon- 

 flies, I. 9, Hymenoptera, membrane-winged, Bees, J, Ants, K, Ichneumons. 10, JDiptera, 

 two-winged, Flies, M, Crane-flies, etc. 11, Aphaniptera, hidden -winged, small Fleas, Chigoes, 

 L. 12, Aptera, wingless, small Mites, etc. 



[The above is Kirby and Spence's classification, which has been adopted by modern entomologists.] 



Insects are small animals, having 

 jointed bodies, presenting three 

 principal divi- 

 sions. They are 

 arranged by na- 

 turalists into a 

 class called In- 

 secta, which 

 means animals 

 cut into. Their 

 principal parts 

 1. thorax 2, ab- 



are 



donien 3, antennae or feelers 4 ; 



182. 



first pair of legs 5, secmd pair of 

 legs 8, third pair of legs 9, first 



