Congress allotted $4 million on Friday to study and combat the outbreak of white-nose syndrome — a mysterious and menacing disease that is killing off North American bats by the millions. White-nose syndrome was first linked to a bat cave near Albany, New York, in 2006 and it has since spread to 16 states and four Canadian provinces, and the fungus that causes the disease has been found on asymptomatic bats in another three states. The little brown bat, as well as the northern long-eared bat and the eastern small-footed bat, are all potential candidates for federal endangered species listings, and the U.S