Annals of the South African Museum, Volume 22South African Museum, 1928 - Natual history |
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Page 4
... 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 groups of pits . These marks are , I think , due to ...
... 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 groups of pits . These marks are , I think , due to ...
Page 5
... oblique , nor are the tracheids very small , and the shortness of the tracheids is by no means a constant feature . I agree completely with Dr. Warren's † determination of the Natal Museum specimens ( Nos . 11 and 219 ) , which he very ...
... oblique , nor are the tracheids very small , and the shortness of the tracheids is by no means a constant feature . I agree completely with Dr. Warren's † determination of the Natal Museum specimens ( Nos . 11 and 219 ) , which he very ...
Page 6
... oblique pores in the bordered pits , and has occasionally six series of pits on the radial walls of the tracheids . It is also noteworthy that D. Daintreei has a much narrower pith than D. arberi ( 1089 S.A. Mus . ) . In struc- ture D ...
... oblique pores in the bordered pits , and has occasionally six series of pits on the radial walls of the tracheids . It is also noteworthy that D. Daintreei has a much narrower pith than D. arberi ( 1089 S.A. Mus . ) . In struc- ture D ...
Page 46
... oblique crenulations are distinctly visible , as in Ch . arcuata Hall of the Corniferous Limestone , and Ch . hudsonica Clarke † of the Oriskany and Gaspé Sandstones , particularly the Ch . cf. arcuata of the Oriskany of New York ...
... oblique crenulations are distinctly visible , as in Ch . arcuata Hall of the Corniferous Limestone , and Ch . hudsonica Clarke † of the Oriskany and Gaspé Sandstones , particularly the Ch . cf. arcuata of the Oriskany of New York ...
Page 70
... obliquely sloping dorsal margin , and a stouter clavicular ridge . For these reasons I removed it into a variety which I termed obtusa . Probably we may regard it as a definite species , for it seems to differ sufficiently from N ...
... obliquely sloping dorsal margin , and a stouter clavicular ridge . For these reasons I removed it into a variety which I termed obtusa . Probably we may regard it as a definite species , for it seems to differ sufficiently from N ...
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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