By reaching over the bar with the business end, to conk guilty and innocent alike, whichever happened to be nearest, he accounted for all sorts of unpaid sins. A dash of ammonia in the water and a heave of the bucket over the bar would break up anything from bulldogs to men. Frost had gathered on the windows and by night there would be neon rainbows in the snow. But, behind the piled beer cases, the same old mural took up the wall to the roof: a great spread-winged hawk painted there in descent upon one stuffed and helpless Christmas duck. Requirements for Cytogenetic Testing.