The functional roles of passive electroreception in non-electricfishes Shaun P. Collin, Darryl Whitehead 1
Major sex differences in the development of myelination areprominent in song system nucleus HVC but not lMAN Barbara E. Nixdorf-Bergweiler, Viola von Bohlen undHalbach 27
Termitivore or detritivore? A quantitative investigation intothe diet of the East African caecilian Boulengerula taitanus(Amphibia: Gymnophiona: Caeciliidae) Olivier Gaborieau, G. John Measey 45
Structure of a population of the lizard Podarcisbocagei in northwest Spain: variations in age distribution, sizedistribution and sex ratio Pedro Galán 57
Functional significance of variation in trophic morphologywithin feeding microhabitat-differentiated cichlid species in LakeMalawi Daud Kassam, Dean C. Adams, Kosaku Yamaoka 77
Osteology and myology of the cephalic region and pectoral girdle ofSchilbe mystus and comparison with other schilbids, withcomments on the monophyly and phylogenetic relationships of theSchilbidae (Teleostei: Siluriformes) Rui Diogo, Michel Chardon, Pierre Vandewalle 91