The effect of hormones on heterotrophic growth of a blue-greed alga Westiellopsis prolifica S. N. PadhyH. Pattanaik OriginalPaper Pages: 99 - 100
Tintinnida from coastal waters of the S.W.-Netherlands I. The genus Tintinnopsis stein C. BakkerW. J. Phaff OriginalPaper Pages: 101 - 111
Studies on north indian volvocales-III. Fertilization in Eudorina californica (shaw) goldstein R. ShyamY. S. R. K. Sarma OriginalPaper Pages: 113 - 116
Survival of certain pathogenic microorganisms in sea water William JamiesonPeter MadriGeorge Claus OriginalPaper Pages: 117 - 121
Denitrification in Bahia Darwin (Galapagos Islands) an intermittent anoxic basin in the tropics James CoxPeter H. Wiebe OriginalPaper Pages: 123 - 127
Plankton secondary productivity and biomass: Their relation to lake trophic state G. L. PedersonE. B. WelchA. H. Litt OriginalPaper Pages: 129 - 144
Investigations of the aufwuchs of freshwater sponges. I. A quantitative comparison between the surfaces of Spongilla Lacustris and three aquatic macrophytes Thomas M. Frost OriginalPaper Pages: 145 - 149
The vertical distribution of macrobenthos within the substratum of the Brazos river, Texas Walton C. PooleKenneth W. Stewart OriginalPaper Pages: 151 - 160
Description of a new species of Lepeophtheirus (copepoda: caligidae) from Kerala M. Shahul Hameed OriginalPaper Pages: 161 - 165
Bactéries hétérotrophes aérobies prélevés devant le delta du rhône. IV. Besoins en vitamines et liberation de ces substances B. R. BerlandD. J. BoninS. Y. Maestrini OriginalPaper Pages: 167 - 172
Some aspects of the ecology of Melosira spp. in Ontario Lakes H. ShearC. NalewajkoH. M. Bacchus OriginalPaper Pages: 173 - 176
Limnology of Shagawa Lake, Minnesota, prior to reduction of phosphorus loading D. P. LarsenK. W. Malueg OriginalPaper Pages: 177 - 189