Annals of the South African Museum, Volume 4The Museum - Natural history |
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Page 54
... slightly undulating walls . Stomata not very numerous , occurring on both the upper and lower epidermis , probably slightly sunk , bordered by two or four cells which may be subsidiary cells above the true guard - cells ; the pore of ...
... slightly undulating walls . Stomata not very numerous , occurring on both the upper and lower epidermis , probably slightly sunk , bordered by two or four cells which may be subsidiary cells above the true guard - cells ; the pore of ...
Page 86
... slightly less than natural size . Frond 54 cm . long . The basal portion is probably close to the actual termination ... slightly larger , and shows the beginning of a subdivision of the lamina into broad lobes . Pinnule number 7 reaches ...
... slightly less than natural size . Frond 54 cm . long . The basal portion is probably close to the actual termination ... slightly larger , and shows the beginning of a subdivision of the lamina into broad lobes . Pinnule number 7 reaches ...
Page 190
... slightly more prominent than the others ; and between these there is a third smaller depressed plication , forming an indistinct sinus . On the dorsal valve the two middle plications are a little closer together , and slightly more ...
... slightly more prominent than the others ; and between these there is a third smaller depressed plication , forming an indistinct sinus . On the dorsal valve the two middle plications are a little closer together , and slightly more ...
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Common terms and phrases
angles Anomodonts axis baini beak beds Bokkeveld bone Brachial valve Brachiopoda British Museum Brongn browniana canine Carruthers Ceres Chonetes Cladophlebis closely described Devonian elongata Feistmantel fern figured flabellites Flora fossil fragments frond furrows Gamka Poort genus Geol Geological glabella Glossopteris grooves Gydo Pass humerus Ibid identical imperfect internal cast Journ Jurassic lamina leaf lobes lower Lystrosaurus margin maxillary median midrib Morris and Sharpe Nathorst Neuropteridium numerous odontopteroides orbignyi Palæont palate Pareiasaurus Pecopteris pedicle pedicle valve Phacops pinna pinnæ pinnules plant Plate portion posterior precoracoid preserved prevomers probably Proterosuchus pterygoid Quart rachis represented in pl resemblance Rhætic ribs rocks Salter Sandstone Saporta Schimper segments Seward shown in fig shows slightly South African species specimen Sphenopteris Spirifer Spirophyton stem Stormberg surface Taniopteris Tate teeth Theriodonts Thinnfeldia Titanosuchus type-specimen Typhloniscus Uitenhage Ulrich upper veins venation Vereeniging vertebræ viii vomer Wealden width Zamites Zeiller