to shriek and to slam the door shut repeatedly--with a deafening clang each time--until the keeper, notified by a visitor, hurried over to remedy the situation. A herd of roe-deer in a European zoo stepped out of their corral when the gate was left open. Frightened by visitors, the deer bolted for the nearby forest, which had its own herd of wild roe-deer and could support more. Nonetheless,