. Seba antarctica, Wlkr. (Fig. 56). Walker, 1907, p. 37, pi. xiii, fig. 22. Barnard, 1930, p. 339. Occurrence: 1. St. 39. South Georgia. 6 $$ 2-5- 4 mm., 1 $ 3-5 mm. 2. St. 140. South Georgia. 6 $<$, 8 ?? (some ovig.) 4-5-5 mm. 3. St. 142. South Georgia. Thirty-four specimens, $£, $$ (some ovig.) and juv. 2-3-5 mm- fr°m sponge. Remarks. Walker's statement that the' Dis- covery' (1901-4) ?$ "agree in the smallest detail" with Stebbing's description and figures of the 'Challenger' saundersiiâa statement <j. b. MaxiUiped. c. Telson of 3. d. Telson of 9 accepted by Chilton (1921)

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. Seba antarctica, Wlkr. (Fig. 56). Walker, 1907, p. 37, pi. xiii, fig. 22. Barnard, 1930, p. 339. Occurrence: 1. St. 39. South Georgia. 6 $$ 2-5- 4 mm., 1 $ 3-5 mm. 2. St. 140. South Georgia. 6 $<$, 8 ?? (some ovig.) 4-5-5 mm. 3. St. 142. South Georgia. Thirty-four specimens, $£, $$ (some ovig.) and juv. 2-3-5 mm- fr°m sponge. Remarks. Walker's statement that the' Dis- covery' (1901-4) ?$ "agree in the smallest detail" with Stebbing's description and figures of the 'Challenger' saundersiiâa statement <j. b. MaxiUiped. c. Telson of 3. d. Telson of 9 accepted by Chilton (1921) and Schellenberg (1926)âobviously belies his figures of the telson. From Chilton's remarks {Ann. Mag. Nat. Hist. (7), xvn, p. 571, 1906) it would seem that Walker at first identified his specimens with saundersii, and later changed the name in his note on Chilton's paper. In this species the telson in both sexes is distinctly broader than in saundersii, with a sharper apex, the palp of maxilla 1 is stouter, and the postero-inferior angle of the third side-plate is quadrate (cf. Walker's figure, but in the present specimens the antero-inferior angle is rounded). Distribution. McMurdo Sound. c d Fig. 56. Seba antarctica, Wlkr. a. Gnathopod of 14-2

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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti