1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) bite or chew on with the teeth 2) informal or slang terms for mentally irregular 3) a sign of something about to happen 4) a serious (sometimes fatal) infection of rodents caused by yersinia ____is and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal DOWN 1) any gummy shapeless matter; usually unpleasant 2) a town in western alaska on the southern coast of the seward peninsula; an important center of an alaskan gold rush at the beginning of the 20th century 3) the smallest whole number or a numeral representing this number 4) an established custom ** Scroll down for solution. ** Are you sure you want to peek? gnaw loco omen pest