File:Annals of the South African Museum - Annale van die Suid-Afrikaanse Museum (1931) (18235837179).jpg

Title: Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum
Identifier: annalsofsouthafr30193sout (find matches)
Year: 1898 (1890s)
Authors: South African Museum
Subjects: Natural history
Publisher: Cape Town : The Museum
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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102 Annals of the South African Museum. Recently two further species have been added—intermedia from Swellendam described by Hutchinson in 1928 (Ann. South African Museum, vol. xxv, pt. ii, p. 337), and that described in the present paper. The Cape Peninsula, the ex- treme south-western corner of the African continent, thus pos- sesses four species of Peripa- topsis, a greater number than any other locality in Africa ; it is also significant that the species with an extremely limited dis- tribution all occur in the Cape Peninsula. The caves in which these specimens were found occur near the top of Table Mountain in sandstone formation, and appear to have been formed either by pressure rifting apart the cleavage fissures or by the action of water. The cave of which fig. 1 represents a dia- grammatic longitudinal section is remarkably deep and laby- rinthine, a tortuous and narrow entrance leading down about 100 feet below the surface to the main gallery, which is fairly roomy with a sandy floor. The walls of this chamber are damp and slimy from the water which is constantly percolating through fissures in the rocks. There is in this lowest part of the cave absolute darkness, and the only vegetation seems to consist of a small greyish lichen
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