204 A BUSY CITY AND THOROUGHFARE. 



brush-like tongue is pushed into the softer parts 

 of its victim, while now and then it presses the 

 whole mass close in its mouth and appears to 

 suck the viscera into its own. This operation 

 lasts for five minutes, perhaps, when it suddenly 

 disengages itself and nothing but the empty shell 

 of the fly is left. 



