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Show 300 MR. W. F. KIRBY ON NEW ODONATA. [May 21, and 15 postnodal nervures ; triangle about three times as long as broad, consisting of 4 cells, followed by 5 or 6 cells, and then by 2 increasing ; 2 supratriangular nervures ; 3 cross-nervures in the subtriangular cell; lower triangle free (which corresponds to the subtriangular space in Libellulinee). Hind wings with 15 antenodal and postnodal nervures ; triangle about twice as long as broad, consisting of 4 cells, followed by 4 or 5 cells, and then by 3 increasing; 2 supratriangular nervures ; 4 cross-nervures in the lower basal cell; lower triangle transverse. Chili (Edmonds). The specimen appears to be a male, but. the abdominal appendages are too much damaged for description. It is the first Anux described from Chili, and is remarkable for the very short pterostigma, which separates it from all the other species of the genus with which I am acquainted. SAPHO PULCHELLA. Exp. al. 64-70 millim. Male. Bronzy black above, head spotted with tawny, the ocelli being placed in the middle of four tawny spots ; thorax with the lateral lobes almost entirely sui rounded with tawny, the pleura striped with the same colour, and the under surface somewhat pru-inose; legs black, femora testaceous, marked with a black line. Abdomen with a tawny spot on the sides, at the base of the first five segments, and a tawny lateral stripe on the sides of the first segment, continued more narrowly on the second and third, where it is coppery. Wings bright orange-tawny or coppery, iridescent, paler at the base ; stigma brown, enclosed by black lines, about four times as long as broad, the lower side projecting basally in a point; neuration very close ; antenodal nervures upwards of 40, and postnodal nervures numbering 50 or 60. Female. Body similarly coloured, but wings brownish hyaline, with a fiery copper iridescence in certain lights, and a narrow milk-white band on both wings, not quite extending to the costa or inner margin, and curved on the hind wings, placed considerably beyond the nodus. On the abdomen, the tawny spots at the base of the segments and the tawny lateral line are continued on all the five segments which remain. LLab. Cameroons. Size and shape of S. longisligma, Selys, a specimen of which was received in the same collection, but with the abdomen rather shorter and stouter. Genus TATOCNEMIS. Male. Wings long and narrow, petiolated to the level of the arculus, with three concavities on the hind margin, between the subcostal radius and the lower sector of the arculus; fore wings with 24-28 and hind wings with 20-21 postnodal nervures; pterostigma broad, lozenge-shaped, covering If or 2 cells. The median sector rises at or a little beyond the nodus, the subnodal |