House-Flies or Typhoid-Flies 59 



mouth thousands of germs some of which may 

 cause some serious disease. We know that as 

 they are buzzing about our faces while we are 

 trying to sleep they may, unwittingly, be in the 

 same nefarious business, and we know that as they 

 sip from our cups with us or bathe in our coffee 

 or our soup or walk daintily over our beefsteak 

 or frosted cake they are leaving behind a trail of 

 filth and bacteria, and we know that some of these 

 germs may be and often are the cause of some of 

 our common diseases. As the typhoid germs are 

 very often distributed in this way, Dr. Howard 

 has suggested that the house-fly shall be known 

 in the future as the typhoid-fly, not because it is 

 solely responsible for the spread of typhoid, but 

 because it is such an important factor in it and 

 is so dangerous from every point of view. The 

 names "manure fly" and " privy fly" have also 

 been suggested and would perhaps serve just as 

 well, as the only object in giving it another name 

 would be to find a more repulsive one to remind 

 us constantly of the filthy and dangerous habits 

 of the fly. 



STRUCTURE 



In order that we may better understand why 

 it is that the house-fly is capable of so much 

 mischief, let us consider briefly a lew points in 



