DRAGt 





cially the i The 



abdomen is vi tiding 



pair of claspers d the male. The wings are larg 

 net-veined, the hinder pair beii a a little 



the front pair. 



Dragon-flies either, as in Libellula and allies, lay their 

 in jelly-like masses "ii the surface of ponds, or, as in 

 on, they crawl deep in the water 

 along the stems of submerged plants. 

 and with their sword-like ovi] 

 i ut gashes into the stalk in wh 

 they insert their < s 



The larva of tin- dragon-fly cot 

 its powerful jaws, for it is very de- 

 structive t<> the smaller creal 

 about it. by its enormous labium or 

 under lip This forms a broad smooth 

 mask covering the lower part of the 



face; it i- armed at the broad .-j n- 



shaped extremity with two sharp mov- 

 able hook-, adapted for seizing and 

 retaining its prey. It breathes by ad- 

 mitting water through the vent into 

 the intestine, which near the end is lined with f< 

 membrane rich in tracheae, by which the air is extra 



from the water and mixes with the 

 Moot] ; the folds are ■ arrai . 



that the water thus introduced can be 

 forced out as if from a syrii 

 which the inse I 



the bottom. Tl 

 intestine is protect..': m I 



a. N.n. size. lu g ve conical horn\ ■ -. which 



open ami shut at will. The larva of \_ 

 have three external broad, leaf-like, tra - • 



at the end (in the larva of Euphaea th< _ 

 the sides the body. Male dragoi mes 



■ hna 1 



r 



-;. 



