Published in Journal of The East Africa Natural History Society and National Museum, in 1988, in volume 76, issue 193, pages 53-76

Published in Journal of The East Africa Natural History Society and National Museum, in 1988, in volume 78, pages 46-52

Published in Journal of The East Africa Natural History Society and National Museum, in 1988, in volume 78, issue 191, pages 1-21

Published in Journal of The East Africa Natural History Society and National Museum, in 1988, in volume 78, issue 192, pages 25-45