Solar orientation in the snail Nerita plicata (Prosobranchia: Neritacea) on a beach near Watamu, Kenya K. Warburton OriginalPaper Pages: 93 - 100
Behaviour and distribution of the sand-beach amphipod Orchestoidea corniculata P. C. Craig OriginalPaper Pages: 101 - 109
New indicator species in the Baltic zooplankton in 1972 T. RadziejewskaJ. ChojnackiJ. Masłowski OriginalPaper Pages: 111 - 113
Ammonia excretion by zooplankton and its significance to primary productivity during summer M. Jawed OriginalPaper Pages: 115 - 120
Hypo-osmotic regulation coupled with reduced metabolic urea in the dogfish Poroderma africanum: An analysis of serum osmolarity, chloride, and urea G. P. Haywood OriginalPaper Pages: 121 - 127
Function of lateral cilia in suspension feeding of lophophorates (Brachiopoda, Phoronida, Ectoprocta) R. Strathmann OriginalPaper Pages: 129 - 136
Ethologie alimentaire d'invertébrés benthiques filtreurs (ascidies). I. Dispositif expérimental. Taux de filtration et de digestion chez Phallusia mammillata A. Fiala-Médioni OriginalPaper Pages: 137 - 145
An electron-microscope investigation into the cuticle and associated tissues of the operculum of some marine serpulids A. Bubel OriginalPaper Pages: 147 - 164
