Odds and sods

William Corliss, the peerless collector of unclassified residuua, gleans his detritus from a huge range of science journals and magazines. His renowned web of catalogues already spans physical forces, astronomy and human anomalies. Now he focuses in on Biological Anomalies: Mammals I The Source Project, Maryland, $21.95, ISBN 0 915554 30 5). So, do you know how the jaguar goes fishing, why some mammals waltz or when bats build wigwams? Well, here are the answers, the supporting evidence and the refutations.