. Bulletin of the British Museum (Natural History). 92 AILSA M. CLARK cirri. The two others have the centrodorsal 17 and 2-i mm in diameter, with the dorsal pole i-i and 17 mm across respectively, the staggered ring of cirri being doubled for varying extents. In both there are c. XX cirri with up to 16 or 18 more or less constricted segments, the longest cirri up to 6-4 mm long, while the fifth and longest segment has length : median breadth c. 0-5 : 0-3 mm, its flared distal end being 0-45 mm broad; the antepenultimate segment is barely longer than broad, c. 0-40 : 0-35 mm. The distal edges o
. Bulletin of the British Museum (Natural History). 92 AILSA M. CLARK cirri. The two others have the centrodorsal 17 and 2-i mm in diameter, with the dorsal pole i-i and 17 mm across respectively, the staggered ring of cirri being doubled for varying extents. In both there are c. XX cirri with up to 16 or 18 more or less constricted segments, the longest cirri up to 6-4 mm long, while the fifth and longest segment has length : median breadth c. 0-5 : 0-3 mm, its flared distal end being 0-45 mm broad; the antepenultimate segment is barely longer than broad, c. 0-40 : 0-35 mm. The distal edges of the radials and the immediately following ossicles are flared and ornamented to some extent with beading or more or less elongated tubercles (see fig. 5a). The distal median projections on the brachials may give the effect of a keel. Pc is on the left in each case, as usual; it has 8 segments and measures c. 2-3 mm, The first two segments are much enlarged and have very high dorsal crests. Pi is similar but slightly larger, with 9 or 10 segments and c. 2-8 mm long. Pa is much. Fig. 5. Eudiocrinus venustulus A. H. Clark, a. 'Anton Briiun' St. 21, S\V Burma. Arm br o-g mm. Side view of calyx with mature peripheral and apical cirri and the bases of three post-radial series, the median one foreshortened, that on the left showing Pi and that on the right Pc. Pa and the base of Pbl the disc cross-hatched; b. 'Te Vega' St. 60, S China Sea. Arm br o-8 mm. Side view of part of an arm from IBr2 to Bre showing Pi and P2. [The scale equals 2 mm.]. 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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