FuurmiUtnt, run like ants, throng the earth. N. ** une

fourmi," an ant; "une fourmilière," an ant-hill, a Bwarm; " les rues fourmillaient de peuple," the streetaswarmed with people ; " la main me fourmille," my haiid tingles.

Il n\n est pas un seul, there is not one of them. Notice the use of en : how many are there P " combien y eu a-t-il P "; there are three, " il y en a trois."