. Bulletin of the British Museum (Natural History), Geology. EVOLUTION OF THE SNOUT IN ACTINOPTERYGIANS 313 the postrostral is still present in the early members of the semionotid line, viz. Acentrophorus varians (Text-fig. 19J), Semionotus capensis (Gardiner, 1960, text-fig. 71). Correlated with the loss of the postrostral are fundamental changes in the position of the nostrils, which will be dealt with later in the ethc. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these

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. Bulletin of the British Museum (Natural History), Geology. EVOLUTION OF THE SNOUT IN ACTINOPTERYGIANS 313 the postrostral is still present in the early members of the semionotid line, viz. Acentrophorus varians (Text-fig. 19J), Semionotus capensis (Gardiner, 1960, text-fig. 71). Correlated with the loss of the postrostral are fundamental changes in the position of the nostrils, which will be dealt with later in the ethc. 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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