The Green Forest tribune., 1912-05-17
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the construction of it's mouth apparatus. What ever disease germs it carries it is a passive process, the chief danger being the contami- nation of foods by bacteria carried on the sur face of it's body or in it's bowels Of all insects the house fly is the most constant companion of man, tasting his food by day and frequentng his aDode by night whether in the far north or the Tar south, whether on the land or on the steamers that ply on the great oceans It's very name Musca domestica, suggests its relation to man.
 If the fly a cleanly insect he might per haps be tolerated, but from the double life he leads there is no question that he should be ex terminated hip and thigh for he spends half his day In the latrjne or manure heap amid the most foul putridty that it is possible to imagine, amid dead, decaying, and diseased matter, from which at intervals he comes to bathe in your milk jug or to boise himself on your pat of butter your meat. Many of his habits have until recently been a riddle but are now becoming understood, and in consequence his presence is as much feared many of his congeners who have for saken the dunghiil for meal of good human animal blood.
 All modern experiments concur to show that the principal breeding place of the house fly is the moist, warm manure heap, cesspool, latrine. although perhaps 1t must be admitted that some were destroyed the fly plague would be kept largely in abeyance AS things are he breed in countless numbers and at great rate.
 The evolution of the house fly is complex, for from the moment that the female deposits her eggs in warm putrefying manure the young go through various stages of development. Within a matter of hours the egg splits and a minute grub creeps out. At the end of twenty-four hours 1t mouts and passes into the second larva stage, which In day two moults again and finally becomes a sort of chrysas. At the end or three or four days of chrysalis life the case opens and the fly emerges to commence its life work With
 in ten days a fortnight it may be sexually ma ture and commence to lay great patches of eggs. As a rule breeding goes rapidly between June and October, although under certain circum- stances it may go all the year round. It is common observation that flies seem to disappear
 In winter This must be explained by their ability to hibernate, the first warm day waking them from their slumbers.
 It is a fortunate circumstance that they are fable to various forms of destruction, for apart rom the magnificent work carried out by the bird y the spider and other insects the fly Is subject devastating diseases, particularly an infectiye condition set up by fungus the Empusa muscae This plant. In the form of spore lights on the surface of the fly and begins to grow, throwing
 ween the iy's scales, and thus gains entrance to ts body. In the course of few days the fungus las invaded all it's organs and tissues, and now | iick unto death the fly may be easily caught or nay drop dead where it has alighted
 AS was said above the chief danger of the Hy Is that it may be carrier of foul putrefactive or disease germs to articles of diet consumed by man. This is not fgment of the brain of the medical scientist; 1t is a proved fact Indeed long before accurate experiments proved this to