| OCR Text |
Show 1900.] FROM THE SOUTH PACIFIC. 575 Microphrys styx, A. M.-Edwards, Nouv. Arch. Mus. (1) viii. p. 247, pi. xi. fig. 4 (1872). Tylocarcinus styx, Miers, Ann. Mag. Nat. Hist. (5) iv. p. 14 (1879); Alcock, Journ. As. Soc. Beng. lxiv. 2, p. 235 (1895). Rotuma ; eight males and eight females. Two of the males have adult chelae as in Milne-Edwards's figure. The length of these two is 20 and 18 mm. respectively, measured from the hinder end of the carapace to the tip of the rostral spines. Of the remaining six males, the two biggest were both exactly 16 mm. long; in one of these the two chelae were both like those of tbe female and young male, in the other the left claw was that of the female and the right that of tbe grown male. All the other specimens had the chelae of the female. Subfamily MAUN*. Genus CYCLAX Dana, 1852. 11. CYCLAX (CYCLOMAIA) SUBORBICULARIS (Stimps.), 1857. Mithrax suborbicularis, Stimpson, Proc. Ac. Nat. Sci. Philad. 1857, p. 218. Cyclomaia margaritata, A. M.-Edwards, Nouv. Arch. Mus. (1) viii. p. 236, pi. x. figs. 2, 3 (1872). Cyclax (Cyclomaia) suborbicularis, Alcock, Journ. As. Soc. Beng. lxiv. 2, p. 245 (1895). Rotuma ; three males and three females. Of the females one, 19 mm. long, had the sterna completely covered by the abdomen. The others, 17 and 18 mm. long respectively, showed a considerable stretch of the sterna bare on each side of the abdomen. Family H Y M E N O S O M I D * . Genus ELAMENE H. M.-Edw., 1837. 12. ELAMENE TRUNCATA A. M.-Edw., 1874. Elamene truncata, A. M.-Edwards, Nouv. Arch. Mus. (1) x. p. 323 (1874). Rotuma; one female. Subtribe CYCLOMETOPA. Family ATELECYCLIBJ;, It seems best to follow Ortmann in keeping this family distinct from the Cancridae, and to place in it the subfamilies Atelecyclinae, Acanthocyclinae, and Thiinae. 38* |
