Annals of the South African Museum, Volume 22South African Museum, 1928 - Natual history |
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Page 1
... species from widely different geological horizons and of widely different affinities : it is therefore my intention to deal in these accounts with each species separately on its own merits , and to discuss points of general interest as ...
... species from widely different geological horizons and of widely different affinities : it is therefore my intention to deal in these accounts with each species separately on its own merits , and to discuss points of general interest as ...
Page 9
... species , and corroborates my attribution of the species to the genus Rhexoxylon . The fossil con- sists of a cylindrical block of brownish silicified wood with a central pith . One end of the block is weathered so that it resembles the ...
... species , and corroborates my attribution of the species to the genus Rhexoxylon . The fossil con- sists of a cylindrical block of brownish silicified wood with a central pith . One end of the block is weathered so that it resembles the ...
Page 29
... species or the identity of African and American forms . Such obstacles are met with especially in the case of the older established Bokkeveld species , and render a com- parison of the fossils less precise than could be wished . But ...
... species or the identity of African and American forms . Such obstacles are met with especially in the case of the older established Bokkeveld species , and render a com- parison of the fossils less precise than could be wished . But ...
Page 35
... species ; the former gives one a new specific name , but the latter only compares it with the North American species L. manni Hall . Both , however , were misled in placing both my figured specimens in the same species , for the second ...
... species ; the former gives one a new specific name , but the latter only compares it with the North American species L. manni Hall . Both , however , were misled in placing both my figured specimens in the same species , for the second ...
Page 37
... species , and it seems , therefore , inadvisable to substitute a new name for this common form after it has been for so long in general use . But Sharpe's definition is poor and misleading , as he refers to radial striae which are ...
... species , and it seems , therefore , inadvisable to substitute a new name for this common form after it has been for so long in general use . But Sharpe's definition is poor and misleading , as he refers to radial striae which are ...
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Common terms and phrases
Anchiopella axial axis Baini Beil belong Bolivia bone Brit Calmonia Cape Univ Ceres characters Chonetes Cladophlebis Clarke Conularia convex Cryphaeus Dalmanites described devon Devonian Feist figs figured Flora Foss fossil frond frontal genal angles genus Geol Ginkgoites glabella granules head-shield Herscheli Homalonotus Ibid internal cast Knod Kozlowski lateral furrows length margin median Modiomorpha Molteno Molteno Beds Neues Jahrb Nuculites oblique Palaeoneilo Paléont Parana parasphenoid Phacops pinnae pinnules pits Plate pleurae pleural lobes posterior preserved Pseudoctenis Pterophyllum pterygoid pygidium rachis radial Reed Rensselaeria resemblance Rhaetic Rhexoxylon Rhinesuchus ribs ring rounded S.A. Mus Salter Sandstone Schwarz segments Seward shell side skull slightly South African Museum species specimen spines Spirifer surface Surv suture Taeniopteris Tapinocephalus TEXT-FIG Thinnfeldia thorax tracheids transverse tubercles Ulrich Upper valve veins venation Walkom width Williams and Breger XXII York State Mus Zeiller