Fish population changes in the Volta lake in Ghana during its first sixteen months T. Petr OriginalPaper Pages: 193 - 220
Effect of algal hormones on stomatal and epidermal development in rice leaves A. C. Shukla OriginalPaper Pages: 221 - 224
Die häufigsten hämoglobinführenden oligochaeten der mitteleuropäischen binnengewässer Bodo Wachs OriginalPaper Pages: 225 - 247
Notes on the diatomaceae from Ahmedabad and its environs — VI. On some diatoms from fountain reservoir of Seth Sarabhai's garden H. P. Gandhi OriginalPaper Pages: 248 - 272
Some species of saprolegniaceae collected from Gorakhpur, India G. C. Srivastava OriginalPaper Pages: 281 - 292
Osmotic regulation in juvenile Oncorhynchus kisutch (Walbaum)—II A. G. Coche OriginalPaper Pages: 293 - 302