Does the bright spot on the back of young archer fishes servegroup coherence? P.J.A. Timmermans and E. Maris 401
Prey catching in the archer fish: marksmanship, and endurance ofsquirting at an aerial target P.J.A. Timmermans 411
Evidence for evolution of guppies in a semi-natural environment P.C.H. Albers 425
Temporal variations of lepidoptera collected in an Eucalyptus plantation in the state of goiás,Brazil José Cola Zanuncio,Teresinha Vinha Zanuncio,Efigênio Teixeira Lopes andFrancisco S. Ramalho 435
Intraoral food transport in Testudo hermanni (Chelonia,Cryptodira) --- a radiographic video analysis Robert Wochesländer,Michaela Gumpenbergerand Josef Weisgram 445
The structures associated with catfish (teleostei: siluriformes)mandibular barbels: origin, anatomy, function, taxonomicdistribution, nomenclature and synonymy Rui Diogo andMichel Chardon 455
Notes on the structure of silk glands in sphecid wasps, Microstigmus and Psenulus (Hymenoptera, Sphecidae,Pemphredoninae) José Eduardo Serrãoand Lúcio Antonio de Oliveira Campos 479
Morphometric analysis ofsome venezuelan akodontine rodents J. Ventura,M.J. López-fuster, M. Salazarand R. Pérez-Hernández 487
