Spent a week in the North West recently and managed to find a few things, when it wasn't too hot!!
Rhombic Egg-eater (Dasypeltis scabra)
Common Centipede-eater (Aparallactus capensis)
Black Mamba (Dendroaspis polylepis)
Transvaal Gecko (Pachydactylus affinis)
Cape Dwarf Gecko (Lygodactylus capensis)
Variable Skink (Mabuya varia)
Bubbling Kassina (Kassina senegalensis)
Natal Sand Frog (Tomopterna natalensis)
Tremolo Sand Frog (Tomopterna cryptotis)
Red Toad (Schismaderma carens)
Eastern Olive Toad (Amietophrynus garmani)
Hadogenes gracilis after moulting.
Opistophthalmus glabrifrons
Uroplectes carinatus
Solifugid spp.