Marine isopods collected in the Philippines by the fisheries steamer Albatross in 1907-08 . ment. The first pair of legs are subschelate and have the propodus verymuch enlarged. All the other legs are ambulatory. The first pair of pleopoda are small, longer than wide and com-posed of a single branch furnished with long hairs. This branch iswidely separated from the corresponding branch of the opposite second pair of pleopoda are large, double branched, the twobranches being placed side by side and attached to the peduncle, sothat a sort of operculum is formed, completely covering
Marine isopods collected in the Philippines by the fisheries steamer Albatross in 1907-08 . ment. The first pair of legs are subschelate and have the propodus verymuch enlarged. All the other legs are ambulatory. The first pair of pleopoda are small, longer than wide and com-posed of a single branch furnished with long hairs. This branch iswidely separated from the corresponding branch of the opposite second pair of pleopoda are large, double branched, the twobranches being placed side by side and attached to the peduncle, sothat a sort of operculum is formed, completely covering the followingpleopoda. The third pleopoda have the endopod slightly longerthan the exopod; both branches without marginal setae. Fourthpleopoda with endopod and exopod of nearly equal length, and with-out marginal seta3. Fifth pleopoda with both branches unjointedand without marginal seta?. Owing to the difference in the structure of the pleopoda, this genusremains alone the type of the family Anciniidce. Bathycopea Tatter-sall cannot be retained in the N. M. vol. xxxvi—09 12. Collections recueillies par M. Maurice de Rothschild DANS lAfRIQUB OIUENTALE terrostres , par Me Harriet Richardson. Extrait du Bulletin du Museum dhistoire naturelle.— 1909, n° h, p. 1 56- Les materiaux de cette collection, qui est au Museum dHisloiie naturellede Paris, mont ete envoyes pour la determination par M. le Bouvier; ils comprennent un nouveau genre et cinq nouvelles especesappartenant a la famille des Eubelidac. Tableau analytique des genres dEubelidae de lAfrique orientals. a. Flagellum des antennes compose de deux articles. b. Epimeres du premier segment thoraciquei epais, separes en dessusde la par tie mediane du segment par un sillon longitudinal. Bords late-raux non sillonnes, entiers posterieurement: Genre Hiallum. b. Epimeres du premier segment Ihoracique non separes du segment : Genre Hiallides nov. gen. a. Flagellum des ante
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