. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. 36 DISCOVERY REPORTS 25. Ocular tubercle of medium height; fingers rather shorter than palm; tarsus somewhat shorter than propodus in adults, much shorter in young specimens A'^. brevicaudatiim, Miers Ocular tubercle high; fingers equal to or rather longer than palm; tarsus scarcely shorter than propodus in young, rather longer than the latter in adults A'^. biarticulatum, Hodgson 26. Fingers longer than palm, spinules long and numbering about 20; 2 or 3 short spinose projections on each lateral
. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. 36 DISCOVERY REPORTS 25. Ocular tubercle of medium height; fingers rather shorter than palm; tarsus somewhat shorter than propodus in adults, much shorter in young specimens A'^. brevicaudatiim, Miers Ocular tubercle high; fingers equal to or rather longer than palm; tarsus scarcely shorter than propodus in young, rather longer than the latter in adults A'^. biarticulatum, Hodgson 26. Fingers longer than palm, spinules long and numbering about 20; 2 or 3 short spinose projections on each lateral process and each first coxa N. mendosiim, Hodgson Fingers shorter than palm, spinules short, numbering 9 on immovable, 14 on movable finger; no spinose projections on lateral processes or first coxae N. proximum, Caiman A. GROUP I Nymphon proceroides, Bouvier (Figs. 9, 10 a and 75). Bouvier, 1913, pp. 90-94, text-figs. 42-50. Loman, 1923, p. 14 (in key). St. 181. 12. iii. 27. SchoUaert Channel, Palmer Archipelago, 64° 20'S, 63-01'W, 160-335 m.; M. Large otter trawl: a dozen specimens with A'^. tenuipes and Nymphon St. 182. 14. iii. 27. SchoUaert Channel, Palmer Archipelago, 64° 21' S, 62° 58' W, 278-500 m.; M. Large otter trawl: 2 ??, 4 SS and 2 immature specimens. St. 186. 16. iii. 27. Fournier Bay, Anvers Island, Palmer Archipelago, 64° 25' 30" S, 63" 02' W, 295 m.; M. Large dredge: 3 S3- St. 187. 18. iii. 27. Neumayr Channel, Palmer Archipelago, 64° 48' 30" S, 63' 31' 30" W, 259 m.; M. Large dredge: a dozen specimens. Description of male. Trunk of loose build, lateral processes widely separated—^up to twice their own diameter. Neck long, base of oviger in contact with first lateral process. Ocular tubercle low, wide, rounded; eyes well developed. Proboscis short, robust, sub-cylindri- cal, much shorter than cephalon. Abdomen reaching to middle of first coxa, elevated at an angle of about 20''. Chelophore. Scape rather longer than proboscis, l
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