Show what Swai swatter tere facet A female house fly which he has lebei i aeI ed in a dwelling sous or III where writes prof pro P L 1 ah bunt in the science ajo monthly anthly 13 produce ir in the spring at the low i estimate eggs that ait pie cde halt half of orese hatch as fer fema itil eg and allowing that the breeding go on without check lor for low four months hive have as the descendants of 0 a S hibernating alne individual flies files NOT a akoub AT a measures exactly one fourth of ju inch in length the distance about aronat the earth at the equator Is ig sald bald to t ay iy miles it would take therefore flies placed end to end ena t go round around the world once aing this number ns as a denominator and th tb number of eles produced la in four months from one mother its a a numer ator we find she will give alie in thy the course cour ot of a summer to enough file flag III y the globe at the me equator times and have plenty or of progeny to spate |