Freshwater Diatomflora of the Panhalgarh Hillfort in the Kolhapur district H. P. Gandhi OriginalPaper 01 December 1959 Pages: 93 - 129
Notes on the Diatomaceae from Ahmedabad and its environs — II H. P. Gandhi OriginalPaper 01 December 1959 Pages: 130 - 146
A quantitative study of the summer phytoplankton in four Central North Carolina ponds Ronald C. PhillipsL. A. Whitford OriginalPaper 01 December 1959 Pages: 147 - 154
Contribution à la biologie de quelques Cichlides. III. J. T. Spaas OriginalPaper 01 December 1959 Pages: 155 - 176
Zoogeographical review of the Black Sea Fish Fauna E. P. Slastenenko OriginalPaper 01 December 1959 Pages: 177 - 188
Description of a community of microorganisms in purified sewage mixed with rain waterfrom storm-sewers OriginalPaper 01 December 1959 Pages: 189 - 204