. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. DESCRIPTION OF SPECIES 55 Branchial sac. There are about twenty-four simple oral tentacles of alternating sizes (Text- fig. 10C). The dorsal tubercle is very simple and has an oval transverse slit (Text-fig. ioC, ). Twenty-seven to thirty-four rows of narrow stigmata are present, each row usually containing forty to fifty stigmata. There are no parastigmatic transverse bars. The hooked dorsal languets (Text- fig. 10 D, ) are wide at the base and taper rapidly to a point. The languets tow
. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. DESCRIPTION OF SPECIES 55 Branchial sac. There are about twenty-four simple oral tentacles of alternating sizes (Text- fig. 10C). The dorsal tubercle is very simple and has an oval transverse slit (Text-fig. ioC, ). Twenty-seven to thirty-four rows of narrow stigmata are present, each row usually containing forty to fifty stigmata. There are no parastigmatic transverse bars. The hooked dorsal languets (Text- fig. 10 D, ) are wide at the base and taper rapidly to a point. The languets towards the posterior end of the branchial sac become progressively larger. B mm I ii»»»*l. 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 of Great Britain; Great Britain. Colonial Office. Discovery Committee. London ; New York : Cambridge University Press
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