. Bulletin of the British Museum (Natural History). Fig. 15. Plotohelmis tenuis : (a) lateral view of head and anterior segments of specimen from Stn. lA of the Trans-Pacific Exp., (6) the same, ventral view.. Fig. 16. Plotohelmis tenuis : parapodium of the fourth chaetiger of specimen from Stn. IA of the Trans-Pacific Exp. foUaceous, and ventral cirri cirriform, smaller than the pedal lobe ; chaetae are simple aciculars and compound capillaries with long thin terminal articles. Pig- mented segmental glands, when preserved, appear at about the ninth foot, becoming larger posteriorly so that th

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. Bulletin of the British Museum (Natural History). Fig. 15. Plotohelmis tenuis : (a) lateral view of head and anterior segments of specimen from Stn. lA of the Trans-Pacific Exp., (6) the same, ventral view.. Fig. 16. Plotohelmis tenuis : parapodium of the fourth chaetiger of specimen from Stn. IA of the Trans-Pacific Exp. foUaceous, and ventral cirri cirriform, smaller than the pedal lobe ; chaetae are simple aciculars and compound capillaries with long thin terminal articles. Pig- mented segmental glands, when preserved, appear at about the ninth foot, becoming larger posteriorly so that they extend along the body wall as a lateral band. An- terior parapodia may have up to a dozen stout acicular chaetae, and no compound. 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 work.. British Museum (Natural History). London : BM(NH)