. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. SOME SOUTH AFRICAN CLADOCERA COLLECTED BY DR. A. D. HARRISON 41 Simocephalus exspinosus (Koch) Syn.: S. australiensis Sars A number of samples from the Transvaal including the sewage works at Benoni and Pretoria, contained this species; it was also collected from the Salt River and from the Riet Vlei in the western Cape Province. This is a cosmopolitan species and I adhere to the opinion previously expressed (Harding, 19570, p. 62) that there is no justification for regarding specimens from the south
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. SOME SOUTH AFRICAN CLADOCERA COLLECTED BY DR. A. D. HARRISON 41 Simocephalus exspinosus (Koch) Syn.: S. australiensis Sars A number of samples from the Transvaal including the sewage works at Benoni and Pretoria, contained this species; it was also collected from the Salt River and from the Riet Vlei in the western Cape Province. This is a cosmopolitan species and I adhere to the opinion previously expressed (Harding, 19570, p. 62) that there is no justification for regarding specimens from the southern hemisphere as a separate species. Simocephalus serrulatus (Koch) Syn.: Simosa capensis Sars A few individuals were found in five samples from the Vaal, the Klein Jukskei, and the lower Berg River; three of these samples also contained S. vetulus. This species is widely distributed in the temperate parts of the world, but has not yet been recorded from Australia or New Zealand. Simocephalus vetulus (O. F. Miiller), sensu lato including S. vetuloides Sars (Fig. 14, A-H) This was the commonest species of Simocephalus in the collections, and was present in 12 of the samples and in all the regions investigated. It is very difficult. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original South African Museum. Cape Town : The Museum
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
