118 WALKEE ON DTPTEEA OF AEU ISLANDS. 



conicus; arista pubescens. Abdomen sublineare, thorace longius et 

 an^ustius. Pedes mediocres j femora posteriora spinis minutis armata. 

 AlcB sat longae. 

 Male. Body rather long. Head transverse, hardly broader than the 

 thorax, with two erect setae on the hind part of the vertex ; face 

 vertical ; epistoma shghtly prominent. Antennae nearly reaching the 

 epistoma ; third joint long, linear, conical at the tip j arista pubes- 

 cent. Abdomen almost linear, longer and narrower than the thorax. 

 Legs moderately long and slender; posterior femora with minute 

 spines beneath. Wings rather long ; discal transverse vein straight, 

 upright, parted by hardly half its length from the border, and by 

 rather more than its length from the prabrachial transverse. 



139. Adrama selecta, n. s. Mas. Testacea; capite guttis tribus 

 nigris ; thorace disco antico vittisque duabus posterioribus nigris ; 

 tibiis tarsisque anticis piceis, tibiis posticis subpiceis ; alls subfusces- 

 centibus, fascia lata limpida nigricante marginata postice abbreviata. 



Male. Testaceous. Head with a black dot above the antennae and one 

 on each side of the epistoma ; thorax with the fore part of the disk 

 black, and with two hindward black stripes ; fore tibiae and fore tarsi 

 piceous ; hind tibiae somewhat piceous ; vdngs slightly brownish, with 

 two blackish bands, the first on the praebrachial transverse vein, abbre- 

 viated hindward, the second on the discal transverse vein, abbreviated 

 in front, intermediate space limpid, veins testaceous, black towards 

 the tips ; halteres pale testaceous. Length of the body 4^ lines ; of 

 the wings 8 lines. 



Gen. Oetalis, Fallen. 



140. Ortalis prompta, n. s. Fcem. Nigro-viridis ; capite piceo apud 

 oculos albido ; antennis rufescentibus ; thorace vitta abdomineque 

 fasciis cinereis ; pedibus nigris ; alis limpidis, vittis tribus nigris, prima 

 postice abbreviata, secunda tertiaque latis ; halteribus albidis. 



Female. Blackish green. Head piceous, whitish about the eyes ; epi- 

 stoma somewhat prominent; antennae reddish, third joint somewhat 

 lanceolate, piceous towards the tip; arista bare; thorax with a cine- 

 reous stripe; sides and pectus also cinereous; abdomen with two 

 cinereous bands ; legs black ; wings limpid white, slightly cinereous 

 towards the base, with three black bands, the first abbreviated hind- 

 ward, the second and third very broad ; veins black, discal transverse 

 vein curved inward, parted by much less than its length from the 

 border and by a little less than its length from the praebrachial trans- 

 verse; halteres whitish. Length of the body 3^ lines; of the wings 

 6 lines, 



141. Ortalis complens, n. s. Mas et Fam. Nigro-viridis; capite 

 antennisque testaceis, articulo tertio brevi, arista plumosa ; abdomine 

 atro ; pedibus testaceis, femoribus nigris ; alis albo Umpidis, strigis 



