1. a Marina da Gama , P.O. Box 10, Muizenberg, 7945
2. b Department of Zoology , University of Natal , Pietermaritzburg, 3200
3. c Department of Zoology , University of Natal , Pietermaritzburg, 3200, South Africa
4. d Barberspan Ornithological Research Station , P.O. Barberspan 2765, Transvaal, South Africa
5. e Durban Museum , Smith Street, Durban, 4001, South Africa
6. f 120 Madeline Rd, Morningside, Durban, 4001
7. g P.O. Box 9199, Hillside, Bulawayo, Rhodesia
8. h P.O. Marieshaft, Transvaal
9. i Department of Statistics and Biometiy , University of Natal , P.O. Box 375, Pietermaritzburg, 3200
10. j Department of Statistics and Biometry , University of Natal , P.O. Box 375, Pietermaritzburg, 3200
11. k 9 Alexander Avenue, Oranjezicht, C.P., 8001