Van Dijk, D. E.Channing, Alan Eric.2014-09-192014-09-1919771977http://hdl.handle.net/10413/11239Thesis (Ph.D.)-University of Natal, Pietermaritzburg, 1977No abstract available.en-ZARana.Leptodactylidae.Theses--Zoology.Ecological and systematic relationships in Natal ranids (Rana Linn. sensu stricto and sensu Strongylopus Tschudi) with notes on a possible competitor, the leptodactylid Heleophryne natalensis Hewitt.Thesis