■' MARons.— Alas ! my lord, I have but kill'd a fly. 



TiTca. — But tow, if tliat fly had a father Emd mother. 

 How would he hang his slender, gilded wings. 

 And buz lamenting doings in the air ■' 

 Poor, harmless fly :" 



TITUS ANDRONICOS, iCT III. 3vT. II. 



I HAVE now, my dear Arnold, to call your atten- 

 tion to the insects belonging to the order Diptera. 

 They are all furnished with two wings, as their name 

 imports, and also with two halteres or poisers, which 

 you will obsen-e behind, and generally underneath 

 the wings. The dipterous insects are very dissimilar 



