. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. DEVELOPMENTAL PHASES 361 The carapace is domed and the posterior margin is produced as a sharp, upward-pointing spine. The anterior margin of the carapace fans out as a serrated rostral hood. There are no lateral denticles on the inferior margin of the carapace. The ocular plates can be seen and the median eye is present. A rudimentary inner ramus, carrying two setae, can be seen on the forward-pointing first antenna. The outer ramus carries four setae, two of which are 025mm 0-5mm Fig
. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. DEVELOPMENTAL PHASES 361 The carapace is domed and the posterior margin is produced as a sharp, upward-pointing spine. The anterior margin of the carapace fans out as a serrated rostral hood. There are no lateral denticles on the inferior margin of the carapace. The ocular plates can be seen and the median eye is present. A rudimentary inner ramus, carrying two setae, can be seen on the forward-pointing first antenna. The outer ramus carries four setae, two of which are 025mm 0-5mm Fig. 13. Euphausia lucens. a, second calyptopis, lateral view; b, telson of same; c, second calyptopis, dorsal view. The second antennal peduncle has two segments, and the antenna is biramous. The anterior ramus carries four setose terminal spines and two lateral spines. The second ramus carries six setose terminal spines. The first and second maxillae and first thoracic limb are present and setose. The limbless thoracic segments can be discerned as wrinkles in the integument. There is no sign of segmentation in the abdomen. The telson is armed with one pair of ventro- lateral spines, three pairs of postero-lateral spines and six terminal spines. The innermost pair of. 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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