. Bulletin of the British Museum (Natural History), Geology. 334 CARADOCIAN BRACHIOPOD FAUNAS OF THE BALA DISTRICT N. 10 mm. length (c) (d) Fig. 2. Some data on the distribution of fossil brachiopods in the Caradocian sediments of Bala : (a) the occurrence of fossils (represented by small arcs) in 12 ft. 7 in. of Lower Allt Ddu siltstones exposed in the southern end of the roadside cutting south-west of Llanycil ; (b) the corrected orientations of the hinge-lines of 106 specimens of Dinorthis berwynensis (Whittington), Heterorthis cf. retrorsistria (M'Coy) and Reuschella cf. horderleyensis Ban
. Bulletin of the British Museum (Natural History), Geology. 334 CARADOCIAN BRACHIOPOD FAUNAS OF THE BALA DISTRICT N. 10 mm. length (c) (d) Fig. 2. Some data on the distribution of fossil brachiopods in the Caradocian sediments of Bala : (a) the occurrence of fossils (represented by small arcs) in 12 ft. 7 in. of Lower Allt Ddu siltstones exposed in the southern end of the roadside cutting south-west of Llanycil ; (b) the corrected orientations of the hinge-lines of 106 specimens of Dinorthis berwynensis (Whittington), Heterorthis cf. retrorsistria (M'Coy) and Reuschella cf. horderleyensis Bancroft taken from one bedding plane in the Lower Allt Ddu siltstones. 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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