. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Contributions to the Crustacean Fauna of South Africa. 363 This form is very close to limenites, but the differences are quite clear when specimens of the two forms are laid side by side. More- over, the respective localities are widely separate, though the inter- vening country, including the Outeniqua Kange, has not yet been searched. Diploexochus zwartbergensis n. sp. Distinguished from nigricans by the broader pronotum (^-y), the feebler groove on peraeon segment 1, extending only one-third along


. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. Contributions to the Crustacean Fauna of South Africa. 363 This form is very close to limenites, but the differences are quite clear when specimens of the two forms are laid side by side. More- over, the respective localities are widely separate, though the inter- vening country, including the Outeniqua Kange, has not yet been searched. Diploexochus zwartbergensis n. sp. Distinguished from nigricans by the broader pronotum (^-y), the feebler groove on peraeon segment 1, extending only one-third along margin, and the presence of a distinct ridge down the centre of the pleurae of pleon segments 3-5. 8x4 mm. Slaty-grey, uropods usually reddish or orange. Localities.—Cape Province : Zwartberg Range, at Seven Weeks Poort Berg (Ladismith) ; and the Zwartberg Pass (Prince Albert), (K. H. B., 1928, 1929). Diploexochus nebulosus n. sp. (Fig. 69, 6, c.) Resembling nigricans very closely, and dollfusi still more closely, but distinguished by the broader pronotum and the straight sides of the distal part of telson. Peraeon segment 1 with margin as in dollfusi. Median ridge on telson is quite distinct from the 2 proximal tubercles, not in any way joined to them as it is 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