1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) a social club for male undergraduates 2) a caustic substance produced by heating ____stone 3) (computer science) a graphic symbol (usually a simple picture) that denotes a program or a command or a data file or a concept in a graphical user interface 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) an acrobatic feat in which the feet roll over the head (either forward or backward) and return 2) grains used as food either unpolished or more often polished 3) a hebrew shepherd and minor prophet 4) a portable shelter (usually of canvas stretched over supporting poles and fastened to the ground with ropes and pegs) ** Scroll down for solution. ** Are you sure you want to peek? frat lime icon pest