A Scholander-type respirometer designed for measuring both aerial and aquatic respiration. Collections of feshwater shrimps along the southern coast of South Africa. Worker laying in the absence of an ergatoid queen in the ponerine ant genus Plectroctena. The bush Karoo rat Otomys unisulcatus on the Cape West coast. Comparison of nectar foraging efficiency in the Cape honebee, Apis mellifera capensis Escholtz, and the African honeybee, Apis mellifera adansoni Latreille, in the western Cape Provinc S. Afr.
Caecilians exhibit cutanious respiration and high evaporative water loss.
Volatile components of the anal gland secretion of the striped polecat Ictonyx striatus. The influence of nestling predation on nest site selection and behaviour of the bateleur. Phototactic behaviour and the nature of the shadow response in larvae of the estuarine crab Sesarma catenata. Comparison of the morphology of the megachiropteran and microchiropteran eye. Koen JH and Breytenbach W. Ant species richness of fynbos and forest ecosystems in the southern Cape.