Annals of the South African Museum, Volume 22South African Museum, 1928 - Natual history |
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Page 3
... narrow , of tracheids which are much narrower radially , exhibiting also smaller lumena ( the late wood ) . The early wood structure gradually merges into that of the late wood , but there is an abrupt change from the last elements of ...
... narrow , of tracheids which are much narrower radially , exhibiting also smaller lumena ( the late wood ) . The early wood structure gradually merges into that of the late wood , but there is an abrupt change from the last elements of ...
Page 4
... narrow tracheids the pore is narrowly elliptical and oblique . There is no indication of a torus in any of the pits examined . Rims of Sanio are absent . In some of the larger tracheids , transverse marks can be seen between some of the ...
... narrow tracheids the pore is narrowly elliptical and oblique . There is no indication of a torus in any of the pits examined . Rims of Sanio are absent . In some of the larger tracheids , transverse marks can be seen between some of the ...
Page 14
... narrow zone , one or two cells thick , of cells which are comparatively thin- walled and much elongated vertically ; one was seen to be at least ten times as long as broad ( Pl . II , fig . 8 , l ) . The tangential diameter of the ...
... narrow zone , one or two cells thick , of cells which are comparatively thin- walled and much elongated vertically ; one was seen to be at least ten times as long as broad ( Pl . II , fig . 8 , l ) . The tangential diameter of the ...
Page 31
... narrow transverse plates , forming an upper marginal band to the theca which bears a short cylindrical spine or brachiole at each corner ( ? ) . Surface of plates granulated and ornamented with small tubercles . Ventral face gently ...
... narrow transverse plates , forming an upper marginal band to the theca which bears a short cylindrical spine or brachiole at each corner ( ? ) . Surface of plates granulated and ornamented with small tubercles . Ventral face gently ...
Page 37
... narrow ridges , usually regular and of equal strength , while radial striae are completely absent on the exterior , as Clarke remarked . ( op . cit . ) , only decorticated specimens showing fine , widely - spaced , radial markings , as ...
... narrow ridges , usually regular and of equal strength , while radial striae are completely absent on the exterior , as Clarke remarked . ( op . cit . ) , only decorticated specimens showing fine , widely - spaced , radial markings , as ...
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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