Effect of phenological development on radiophosphorus translocation from leaves in crested wheatgrass Ronald E. SosebeeHerman H. Wiebe OriginalPaper Pages: 103 - 112
The food of Ancylus fluviatilis (Müll.), a littoral stone-dwelling, herbivore P. Calow OriginalPaper Pages: 113 - 133
The adaptive significance of polymorphism in the rotifer Asplanchna. Humps in males and females John J. Gilbert OriginalPaper Pages: 135 - 146
Der Einfluß der Temperatur auf die chemische Zusammensetzung von Grillen (Gryllus, Orthopt.) Klaus-Hubert Hoffmann OriginalPaper Pages: 147 - 175
Observations over 24 hours on the quantity of algae inside grazing ciliated protozoa R. Goulder OriginalPaper Pages: 177 - 182
Some problems of testing for density-dependence in animal populations J. F. Benson OriginalPaper Pages: 183 - 190