WALKEE ON DIPTEBA OF AEU ISLANDS. 127 



Subfam. Htdbomtzides, Raliday. 

 G-en. Ephtdea, Fallen. 



165. Ephydra ? taciturn a, n. s. Fcem. Atra, nitens, antennis 

 nigris, arista plumosa, abdomine nigro-cupreo, pedibus nigro-piceis, 

 alls nigricantibus, veuis nigris. 



Female. Deep black, shining. Antennae black, third joint linear, rather 

 long, arista plumose; legs blackish-piceous ; wings blackish j veins 

 black, discal transverse vein straight, parted by a little more than its 

 length from the border. Length of the body 1^ line; of the wings 

 2\ lines. 



Fam. PHOEID^, Raliday. 



Gen. Palluea, n. g. 



Mas. Corpus latiusculum, pubescens. Os retractum. Oculi pubes- 

 centes. Antennm brevissimse ; arista longissima. Scutellum magnum, 

 conicum. Abdomen subellipticum, thorace non longius. " Pedes lati- 

 usculi, pubescentes, non setosi. Alee amplae, venis sequalibus. 



Male. Body rather broad, pubescent. Proboscis small, withdrawn ; 

 eyes pubescent ; antennae very short, arista very long ; scutellum 

 large, conical, very prominent, extending beyond the base of the 

 abdomen ; abdomen nearly eUiptical, not longer than the thorax ; 

 legs rather broad, pubescent, without bristles; wings rather long 

 and broad ; veins of equal size, costal vein ending at rather before 

 half the length of the wing, radial ending at somewhat in front of 

 the tip of the wing, cubital ending at hardly in front of the tip, 

 praebrachial ending at a little behind the tip, pobrachial ending on 

 the hind border at half the length of the wing, discal transverse 

 vein straight, parted by more than twice its length from the border 

 and from the praebrachial transverse. 



166. Pallura invaria. Mas. Lutea, immaculata, alis cinereis 

 basi luteis, apice nigricantibus, venis nigris robustis. 



Male. Luteous, of one colour. Wings grey, luteous at the base, 

 blackish towards the tips ; veins black, robust. Length of the body 

 3 lines ; of the wings 6 lines. 



Earn. HIPPOBOSCID^, Leach. 

 Gen. Oenithomyia, Leach. 



167. Ornithomyia parva ?, Macq. Hist. Nat. Dipt. 11.2. 279. 3. 



LINN. PEOC. — ZOOLOGY. 



