Annals of the South African Museum, Volume 22South African Museum, 1928 - Natual history |
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Page 9
... probably occupied by living cells , and are widely scattered in the secondary wood , but are occasionally found concentrated to a certain extent in definite zones concentric with the growth rings . The presence of such cells in T ...
... probably occupied by living cells , and are widely scattered in the secondary wood , but are occasionally found concentrated to a certain extent in definite zones concentric with the growth rings . The presence of such cells in T ...
Page 10
... probably been considerably augmented , and probably , as in the other species of Rhexoxylon , will be further augmented by the secondary growths found in them . If this process were continued indefinitely , the result would be the ...
... probably been considerably augmented , and probably , as in the other species of Rhexoxylon , will be further augmented by the secondary growths found in them . If this process were continued indefinitely , the result would be the ...
Page 12
... probably in contact ; when in two series they usually alternate ( Pl . III , fig . 14 ) . The pitting in the " field " consists of from four to seven small pits . The rays are low , being from 1 to 8 cells high . This corresponds ...
... probably in contact ; when in two series they usually alternate ( Pl . III , fig . 14 ) . The pitting in the " field " consists of from four to seven small pits . The rays are low , being from 1 to 8 cells high . This corresponds ...
Page 13
... probably to the Gymno- spermous plexus , to which the Southern Hemisphere Dadoxyla belonged , possibly Cordaitean or Araucarian . However that may be , it seems likely that this anomalous vascular arrangement was a physiological ...
... probably to the Gymno- spermous plexus , to which the Southern Hemisphere Dadoxyla belonged , possibly Cordaitean or Araucarian . However that may be , it seems likely that this anomalous vascular arrangement was a physiological ...
Page 13
... probably in contact ; when in two series they usually alternate ( Pl . III , fig . 14 ) . The pitting in the " field " consists of from four to seven small pits . The rays are low , being from 1 to 8 cells high . This corresponds ...
... probably in contact ; when in two series they usually alternate ( Pl . III , fig . 14 ) . The pitting in the " field " consists of from four to seven small pits . The rays are low , being from 1 to 8 cells high . This corresponds ...
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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