. Bulletin of the British Museum (Natural History). THE CARBONIFEROUS PTERIDOSPERM FROND NEUROPTERIS HETEROPHYLLA (BRONGNIART) STERNBERG 157. Fig. 3 Neuropteris heterophylki. Primary rachis probably just above dichotomy near base of frond, together with a detached fragment of a N. semireticulata Josten pinna, photographed with crossed-polar filters. , x 76 See also Fig. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the

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. Bulletin of the British Museum (Natural History). THE CARBONIFEROUS PTERIDOSPERM FROND NEUROPTERIS HETEROPHYLLA (BRONGNIART) STERNBERG 157. Fig. 3 Neuropteris heterophylki. Primary rachis probably just above dichotomy near base of frond, together with a detached fragment of a N. semireticulata Josten pinna, photographed with crossed-polar filters. , x 76 See also Fig. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)

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