. Bulletin of the British Museum (Natural History). THE DISTRIBUTION OF PELAGIC POLYCHAETES 395. [033mm| Fig. 9. Vanadis tagensis : ventral view of head showing six antennae : Paratype, (), Reg. No. Genus RHYNCHONERELLA Costa, 1862 (Emended Claparede, 1868 pro Rhynchonereella Costa, 1862) Body normally elongate. Prostomium extending beyond the eyes and carrying five antennae. Five pairs of tentacular cirri. Parapodia with a cirriform appendage on the pedal lobe ; acicular chaetae simple or compound ; long slender chaetae (capillaries) always compound. Type species. Rhynch
. Bulletin of the British Museum (Natural History). THE DISTRIBUTION OF PELAGIC POLYCHAETES 395. [033mm| Fig. 9. Vanadis tagensis : ventral view of head showing six antennae : Paratype, (), Reg. No. Genus RHYNCHONERELLA Costa, 1862 (Emended Claparede, 1868 pro Rhynchonereella Costa, 1862) Body normally elongate. Prostomium extending beyond the eyes and carrying five antennae. Five pairs of tentacular cirri. Parapodia with a cirriform appendage on the pedal lobe ; acicular chaetae simple or compound ; long slender chaetae (capillaries) always compound. Type species. Rhynchonerella gracilis Costa, 1862. Type locality. Gulf of Naples. Key to Species 1. With simple acicular chaetae .......... 2 -. With compound acicular chaetae ......... 3 2. Simple acicular chaetae present on the first six to ten chaetigers, but compound capillaries absent (Text-fig. 11) ; both types of chaetae on remaining feet. Acicular chaetae with a few distal spines (Text-fig. 11) . . . R. mobii -. Simple acicular chaetae and compound capillary chaetae present from the first para- podia (Text-fig. loa). Acicular chaetae smooth . . R. gracilis 3. Compound acicular chaetae with a large, serrated terminal article (Text-fig. iza-c) R. petersii -. Compound acicular chaetae with a small, sooth terminal article (Text-fig. 14c) R. angelini. 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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