From ovule to ovary: A contribution to the phylogeny of the megasporangium A. D. J. Meeuse OriginalPaper Pages: 127 - 182
A mathematical note on a model of a consumer-food relation in which the food is continually replaced J. Reddingius OriginalPaper Pages: 183 - 198
Rapport de la sténo- et de l'eurybiose dans l'évolution Eugène A. Pora OriginalPaper Pages: 199 - 205