Annals of the South African Museum, Volume 22South African Museum, 1928 - Natual history |
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Page 10
... less lengthwise , there are other smaller ones which are cut crosswise , and which are almost certainly homologous with the strands in the tangential cracks . In tangential section these suggestions are confirmed . The trace system ...
... less lengthwise , there are other smaller ones which are cut crosswise , and which are almost certainly homologous with the strands in the tangential cracks . In tangential section these suggestions are confirmed . The trace system ...
Page 29
... less precise than could be wished . But , on the whole , the close resemblance of the Devonian faunas from opposite sides of the South Atlantic is a most noteworthy and conspicuous feature , and the detailed analysis of the Bokkeveld ...
... less precise than could be wished . But , on the whole , the close resemblance of the Devonian faunas from opposite sides of the South Atlantic is a most noteworthy and conspicuous feature , and the detailed analysis of the Bokkeveld ...
Page 30
... less regularly arranged in 4 vertical rows ; the lowest series comprises a pair of long subrectangular median basals and a pair of narrower subtriangular lateral basals forming the lower angles of the theca ; the second series consists ...
... less regularly arranged in 4 vertical rows ; the lowest series comprises a pair of long subrectangular median basals and a pair of narrower subtriangular lateral basals forming the lower angles of the theca ; the second series consists ...
Page 32
... less symmetrical outline and in the hydrospires occupying a larger lozenge - shaped area at the upper end as well as being more numerous and decreasing more rapidly in length on each side . ASTEROIDEA . ‡ Echinasterella ? sp . There are ...
... less symmetrical outline and in the hydrospires occupying a larger lozenge - shaped area at the upper end as well as being more numerous and decreasing more rapidly in length on each side . ASTEROIDEA . ‡ Echinasterella ? sp . There are ...
Page 36
... less so than the posterior face . The shell is ornamented with regular equidistant sharp raised concentric lines which have fine concentric striae in the concave interspaces between them . The surface of the shell is also marked with 5 ...
... less so than the posterior face . The shell is ornamented with regular equidistant sharp raised concentric lines which have fine concentric striae in the concave interspaces between them . The surface of the shell is also marked with 5 ...
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Common terms and phrases
Anchiopella axial axis Baini Beil belong Bolivia bone Brit Calmonia Cape Univ capensis Ceres characters Chonetes Cladophlebis Clarke Conularia convex Cryphaeus Dalmanites described devon Devonian 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 Orbiculoidea Palaeoneilo Paléont Parana Phacops pinnae pinnules pits Plate pleurae pleural lobes posterior preserved Pseudoctenis Pterophyllum pygidium rachis radial Reed Rensselaeria resemblance Rhaetic Rhexoxylon Rhinesuchus ribs ring rounded S.A. Mus Salter Sandstone Schwarz secondary wood segments Seward shell side skull slightly South African Museum species specimen spines Spirifer surface Surv suture Taeniopteris TEXT-FIG Thinnfeldia thorax tracheids transverse tubercles Ulrich Upper valve veins venation Walkom width Williams and Breger XXII York State Mus Zeiller