32 POPULAR ENTOMOLOGY. 



4. Libellulida. Wings large and equal; antennae short and 



slender; mandibles horny, thick, and strong; maxillae 

 long and toothed ; body very long and slender ; eyes very 

 large, uniting at the top of the head ; legs short, slender, 

 and armed with spines ; tarsi three -jointed; colour va- 

 rious and beautiful; size large. Locality, standing water. 



5. Hemerobiida. Wings broader than the last; antennas 



long and filiform ; jaws horny and acute ; maxillae long ; 

 body shorter than the preceding family ; head small ; 

 eyes prominent, and often gold-coloured ; legs slender ; 

 tarsi five-jointed ; colour bright, often green ; wings 

 with a prismatic lustre ; size small. 



6. Sialida. Wings, anterior pair large, hinder pair smaller ; 



antennae long and filiform ; jaws horny and toothed ; 

 pro thorax large and square ; tarsi five- jointed ; colour 

 in some species dull brown ; size moderate. Locality, 

 near water. 



7. Panorjpidtf. Wings equal; head prolonged into a ros- 



trum; antennae long and slender; mandibles small 

 and toothed ; maxillae two-lobed ; clypeus pointed at 

 the tip ; body long and slender ; prothorax forming a 

 collar ; legs long and slender ; tarsi five- jointed ; body, 

 the males have the sixth and seventh segments thin, 



