. Bulletin of the British Museum (Natural History). CESTODE PARASITES OF R. BATIS AND S. ACANTHIAS 165 DESCRIPTION OF SPECIES Acanthobothrium icelandicum sp. nov. (Figs 2-3; Plates i and 2) Material was collected from two skate [Raja batis) in Faxa Bay, on 23 October 1966, and consisted of six specimens from one fish and seventeen from the other, three of which were immature forms. In both cases many fragments and apolytic segrrients were also obtained. The largest specimen measures 67-4 mm in length and i-i mm in maximum width, bearing 140 proglottids, whilst the small immature worms are only
. Bulletin of the British Museum (Natural History). CESTODE PARASITES OF R. BATIS AND S. ACANTHIAS 165 DESCRIPTION OF SPECIES Acanthobothrium icelandicum sp. nov. (Figs 2-3; Plates i and 2) Material was collected from two skate [Raja batis) in Faxa Bay, on 23 October 1966, and consisted of six specimens from one fish and seventeen from the other, three of which were immature forms. In both cases many fragments and apolytic segrrients were also obtained. The largest specimen measures 67-4 mm in length and i-i mm in maximum width, bearing 140 proglottids, whilst the small immature worms are only just showing signs of segmentation and measure up to 4 mm in length. The terminal proglottid is about 2 mm long and 07 mm wide, and the free segments vary from 2-4 to 9-4 mm in length by 07 to 2-1 mm in width. The scolex (Fig. 2a, plates i and 2) varies considerably in size, measuring from 0-98 to 1-2 mm in length and from 0-51 to 1-22 mm in width. The four very variable bothridia are divided by two transverse septa into three loculi, of which the anterior 1 ,\. >. :/. 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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