Show facts about flies V k female house fly ni aich has hib bib in a dwelling house or else where may produce in the spring at the I 1 invest m est estimate eggs As suming that one half of these hatch as females and al allotting loing that the bleeding goes on without check for four months we vve have as is the desben danta of a single hibernating india flies tsow now a house fly mea meat tiles exactly one fourth of an inch in length the distance around the e airth irth at the eq equaler bater is aid to be 24 miles it bould tale take there tore fore 3 flies placed end to end to go around the world once using this number as is a denominate or and arid the number of flies prodoc ed in four months from one mother as a 1 numerator ve ine find she vill give rise in the course of a summer to enough flies to encircle the globe a at t the equator 5 time and have plenty of cv to spare pare I 1 rom the tile popular science Mont monthly lill |