IN FEATHERS AND FUR. 
ISO 
I've told you how insect babies do ; eat awhile, and then wrap 
themselves up in some tight cover and stay there in the dark till 
their wings grow, and they come out of their houses regular insects 
like their mothers. Well, these babies do just the same, of course, 
and come out Cess-pool Flies, ready to set their babies to work on 
the first pool they find. 
Cess-pools are not the only bad places. There are the sewers, 
filled with all the drainage of the city. Many would die from the 
bad odors from them, but for another little servant, the Sewer Fly. 
She is so hairy she looks something like a bee, and she lives in the 
sewers. 
You needn't pity her — she likes it — that's what she was 
made for. 
I suppose people who live in cities, have no servants — little or 
big — who do so much good as these two little Flies. 
There's another one though, that is very busy, and you've 
probably seen her, for she finds her babies food in our pantries and 
cellars, and she is none of your quiet little workers. She bustles 
around with a loud buzz. Her work is to remove bad meat, and 
almost before you know there is danger to our meat, she finds it 
out and puts her family to work at once. She has several names ; 
