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The Squamata (Reptilia) of the Orange Free State, South Africa.

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Date

1977

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Abstract

This study deals with the three orders of Squamata (Sauria, Amphisbaenia, Serpentes) of the Orange Free State, South Africa. Following an intensive systematic survey 4 492 specimens have been examined comprising 77 different species and subspecies of which 25% represent new records for the study area. Variation in taxonomically important characters as well as informa- tion on colour, size, habitat, breeding, predators and diet are discussed. Certain taxonomic changes have been made. Distribution maps have been compiled on the basis of eighth-degree-units. Distributional patterns have been analyzed to establish areas of relative homogeneity separated by transitional zones. A causal analysis of the main distribution patterns of the O.F.S. Squamata indicated that rainfall is the major environmental factor influencing distribution. A comparative analysis of the squamate areas has been done with regard to various biogeographic phenomena.

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Thesis (Ph.D.)-University of Natal, Pietermaritzburg, 1977.

Keywords

Squamata--Orange Free State., Snakes--Orange Free State., Lizards--Orange Free State., Theses--Zoology.

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