35 



ofHymenopterous insects (Evania ofFabricius) 

 are so far parasitical as to breed in the eggs of 

 cock-roaches: this fly is small but singular in 

 its formation, and where the cock-roaches are 

 numerous, the former are no doubt plentiful ; 

 for we lately observed a number of specimens 

 in the collection of insects formed in Sumatra, 

 by the late SIR STAMFORD RAFFLES ; it contained 

 also many species of the insects of this order. 



They may be killed in spirits of wine or hot 

 water, and afterwards dried and put into corked 

 boxes. 



Order 7- NEUROPTERA. Wings four, mem- 

 branaceous, generally of equal size, with nu- 

 merous decussating pterigostia resembling a 

 net-work ; mouth with mandibles, maxillae, and 

 lip. [PL II, fig. 7.] 



The L/ibellulcB or Dragon-flies, Myrmeleon or 

 Lion-ants (so called from the singular manners 

 of the larvae), the Scorpion-fly, Day-fly, Gold- 

 en-eye Camel-fly, and White Ants, all belong 

 to this interesting order of insects. 



Dragon-flies are found in the neighbourhood 

 of waters, are powerful on the wing, and the 

 larger species, during the day, are fond of 

 sporting arid hunting in the more open parts of 

 woods in search of insects. The females inva- 



