Republic of South Africa 161 



MAJOR CURRENT RESEARCH PROJECTS AND SCIENTIFIC 

 LEADERS: 



Hydrobiological surveys of the Tugela River System, 



Natal (W. D. Oliff) 

 Hydrobiological survey of the Umgeni River System, 



Natal (H. J. Schoonbee) 

 Systematic and special ecological studies on Trichoptera 



(K. M. F. Scott) 

 Systematic and special ecological studies on diatoms 



(B. J. Cholnoky) 

 Physiological tolerances of aquatic animals (including 



fish toxicity work), in conjunction with Transvaal 



Department of Nature Conservation (B. R. Allan- 

 son and R. G. Noble) 

 Studies on the processes of natural self-purification in 



natural waters (W. A. Lombard) 

 Nutritional requirements of algae in pure culture with 



special reference to nitrogen (N. O. van Gylswyk) 

 Nutritional requirements of organisms in aerobic efflu- 

 ent purification processes (W. H. Hattingh) 

 Laboratory studies on the bacteriology of the water 



zone and bottom sediments (W. A. Pretorius) 

 Aerobic bacteria as indicators of faecal pollution of 



water (T. Pretorius) 

 Ecology and habitat of coliforms, including studies 



on natural waters (T. Pretorius) 

 Ecology and habitat of faecal Streptococci, including 



studies on natural waters (T. Pretorius) 

 The efl^ect of industrial effluents on the bacteriology of 



natural waters (O. J. Coetzce) 

 Sewage effluent pollution of the sea (O. J. Coetzee) 

 Bacteriophage as an indicator of pollution (O. J. 



Coetzee) 



Potchejstroom University, Institute for Zoo- 

 logical Research 



POSTAL ADDRESS: c/o Potchefstroom University, 

 Potchefstroom, Transvaal, Republic of South Africa. 



EXECUTIVE officer: Dr. J. A. van Eeden, Director. 



YEAR founded: 1958. 



SCOPE OF ACTIVITIES: Unrestricted research on taxon- 

 omy, distribution, and ecology of fresh-water Mol- 

 lusca; graduate instruction. 



SEASON OF OPERATION: All year. 



PHYSICAL ENVIRONMENT ACCESSIBLE: Mooi, Schoons- 



pruit and Vaal Rivers, and Strydom Dam. 

 PROVISIONS FOR VISITING SCIENTISTS: Space for 2-3 

 visitors; living quarters available nearby. 



MAJOR RESEARCH AND TEACHING FACILITIES: Small 



library; small aquarium tanks; research and identified 

 reference collections of Basommatophora; research 

 collection of fresh-water invertebrates to be built up; 

 machine and wood shop, skilled shop workman avail- 

 able. 



INSTRUCTIONAL PROGRAM: General zoology. 



SIZE OF STAFF: Three at professional level. 



MAJOR CURRENT RESEARCH PROJECTS AND SCIENTIFIC 

 LEADERS: 



Distribution of fresh-water Mollusca in South Africa 



(J. A. van Eeden) 

 Morphology of Physopsis africanus (J. A. van Eeden) 

 Ecology of Physopsis africanus (J. A. van Eeden) 

 Hydrobiology of rivers in western Transvaal (J. A. 



van Eeden and P. A. J. Ryke) 

 Hydrobiology of the source of the Mooi River (J. A. 



van Eeden and P. A. J. Ryke) 



Rhodes University, Department of Ichthyology 



POSTAL ADDRESS: Grahamstown, Republic of South 



Africa. 

 LOCATION: Near Port Elizabeth. 

 EXECUTIVE OFFICER: Professor J. L. B. Smith, Head, 



Department of Ichthyology. 

 SPONSORING AGENCIES: Rhodes University and South 



African Council for Scientific and Industrial Research. 



YEAR FOUNDED: 1946. 



SCOPE OF ACTIVITIES: Unrestricted research on fishes of 

 southern and eastern Africa and of the western Indian 

 Ocean. 



SEASON OF OPERATION: All year. 



PHYSICAL ENVIRONMENT ACCESSIBLE: Atlantic and 

 Indian Oceans; sandy and silty beaches, rocky and 

 gravelly shores, estuarine conditions, brackish, shallow 

 bays, coral reefs, eutrophic and oligathropic lakes, and 

 rivers. 



PROVISIONS FOR VISITING SCIENTISTS: Space for 2 visi- 

 tors; no fees charged, living quarters available (often 

 with difficulty) nearby. 



MAJOR RESEARCH AND TEACHING FACILITIES: Moder- 

 ately complete library ; small aquarium tanks ; research 

 and identified reference collections of marine and 

 fresh-water fishes of southern Africa and of the west- 

 ern Indian Ocean ; small boats and outboard motors. 



INSTRUCTIONAL PROGRAM: General systematics for 

 graduate students. 



SIZE OF STAFF: Three at professional level; 2 techni- 

 cians. 



MAJOR CURRENT RESEARCH PROJECTS AND SCIENTIFIC 

 LEADERS: 



Fishes of the western Indian Ocean (J. L. B. Smith) 

 Marine fishes of southern Africa (J. L. B. Smith) 

 PUBLICATIONS ISSUED: Rhodes University Ichthyologi- 

 cal Research B/iIletin (occasionally published journal) 



Transvaal Provincial Administration, Depart- 

 ment of JSatnre Conservation, Hydrobiologi- 

 cal Laboratory 



POSTAL ADDRESS: Private Bag, Pretoria, Republic of 



South Africa. 

 EXECUTIVE OFFICER: Brian Robert Allanson, Officer in 



Charge. 



YEAR FOUNDED: 1955. 



