ia bivittata, _Fabr._ See Vol. I. p. 7.

Gen. GABAZA, n. g.

_Foem. Corpus_ breve, latum. _Caput_ transversum, thorace paullo
angustius; facies valde obliqua. _Antennae_ capite transverso breviores;
articuli breves, transversi; arista longa, gracilis, filiformis.
_Scutellum_ prominens, spinis duabus minutis. _Abdomen_ transversum,
thorace multo latius. _Pedes_ graciles, breviusculi. _Alae_ sat angustae;
venae tenues.

_Female._ Body short, broad. Head transverse, a little narrower than the
thorax; face very oblique. Antennae shorter than the breadth of the head;
joints short, transverse; arista slender, filiform, longer than the
preceding part, which is lanceolate. Scutellum prominent, armed with two
minute spines. Abdomen transverse, much broader than the thorax. Legs
slender, somewhat short. Wings rather narrow; veins feeble, in structure
like those of _Stratiomys_.

13. GABAZA ARGENTEA, n. s. _Foem._ Nigra, antennis fulvis, arista alba,
thorace abdomineque argenteo-tomentosis, tarsis albido-testaceis, alis
limpidis, venis pallidis.

_Female._ Coal-black. Antennae tawny, arista white; thorax and abdomen
with bright silvery tomentum; tarsi whitish testaceous; wings limpid,
veins pale. Length of the body 2 lines; of the wings 3-1/2 lines.

Gen. SARGUS, _Fabr._

14. Sargus metallinus, _Fabr._ See Vol. I. p. 110.

15. SARGUS COMPLENS, n. s. _Foem._ Rufescente-fulvus, capitis vertice
nigro, antennis testaceis, abdomine fasciis latis abbreviatis piceis,
tarsis posticis basi tibiisque posticis nigris, alis cinereis, basi
subluridis, apud costam exteriorem nigro-fuscis.

_Female._ Reddish tawny. Head black above, testaceous beneath; antennae
testaceous; abdomen with four broad abbreviated piceous bands; legs
tawny, hind tibiae black with a tawny apical mark, hind tarsi black
towards the base; wings greyish, slightly lurid towards the base,
blackish-brown about the exterior part of the costa, veins black, tawny
towards the base; halteres testaceous, tawny towards the tips. Length of
the body 6 lines; of the wings 14 lines.

16. SARGUS ROGANS, n. s. _Mas et Foem._ Capitis vertice nigro, antennis
pedibusque testaceis, tibiis tarsisque posticis nigris, alis subcinereis
apice obscurioribus. _Mas._ Luteo-testaceus. _Foem._ Ferrugineus.

_Male and Female._ Head black above; antennae and legs testaceous; hind
tibiae and hind tarsi black; wings greyish, darker towards their tips;
veins black, tawny towards the base. _Male