. Discovery reports. Discovery (Ship); Scientific expeditions. PARAONIDAE 151 when seen from above, is triangular in outline and ends in a sharp point, which I take to represent the terminal tentacle mentioned by Mesnil and Caullery. There is only a single achaetous segment, the buccal segment, behind the prostomium (Fig. 58, a). I can find no dorsal cirrus on the ist chaetiger and the upper and lower bristle bundles issue directly from the body wall without any parapodial lobes. In the 2nd and following chaetigers there is a small papilliform dorsal cirrus. Mesnil and Caullery state that the


. Discovery reports. Discovery (Ship); Scientific expeditions. PARAONIDAE 151 when seen from above, is triangular in outline and ends in a sharp point, which I take to represent the terminal tentacle mentioned by Mesnil and Caullery. There is only a single achaetous segment, the buccal segment, behind the prostomium (Fig. 58, a). I can find no dorsal cirrus on the ist chaetiger and the upper and lower bristle bundles issue directly from the body wall without any parapodial lobes. In the 2nd and following chaetigers there is a small papilliform dorsal cirrus. Mesnil and Caullery state that the first three chaetigers are clearly smaller than those that follow. My specimens do not show this. • 6 mm. •2min. lo O-L 0^ -T'lmxrL -LQ a. 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 Institute of Oceanographic Sciences (Great Britain); National Institute of Oceanography; Great Britain. Colonial Office. "Discovery" Committee. London, New York, Cambridge University Press


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscientificexpedition