Affiliation: | 1. Loughine Limited , Kincraig , Blairs , Aberdeen , AB12 5YT , UK E-mail: a.hawkins@btconnect.com;2. Department of Biology and Center for the Comparative and Evolutionary Biology of Hearing , University of Maryland , College Park , MD , 20742 , USA E-mail: apopper@umd.edu;3. Fjord&4. B?lt , University of Southern Denmark , Margrethes Plads 1, DK-5300 , Kerteminde , Denmark E-mail: magnus@fjord-baelt.dk |