. Bulletin of the British Museum (Natural History). THE IDENTIFICATION OF CEPHALOPOD "BEAKS" 439 darkened, but they were partly in all other specimens of the family. Unlike the ommastrephids, stages of a progressive spread of darkening from the jaw angle over the wing are found and there is no club-shaped stage (cf. Pis. 13 and 14). Therefore, in this family there is probably no isolated patch stage during the lower beak develop-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of t
. Bulletin of the British Museum (Natural History). THE IDENTIFICATION OF CEPHALOPOD "BEAKS" 439 darkened, but they were partly in all other specimens of the family. Unlike the ommastrephids, stages of a progressive spread of darkening from the jaw angle over the wing are found and there is no club-shaped stage (cf. Pis. 13 and 14). Therefore, in this family there is probably no isolated patch stage during the lower beak develop-. 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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Keywords: ., 1962, boo, bookauthorbritishmuseumnaturalhistory, bookcentury1900
