9. SALDUBA DIPHYSOIDES, n. s., _Mas._ Nigra, ore flavo, thorace vittis quatuor subauratis, abdominis apice cinereo, pedibus albidis, femoribus posticis apices versus tibiisque posticis nigris, alis cinereis, venis stigmateque nigris, halteribus testaceis. _Male._ Black. Mouth yellow; thorax with four stripes of slightly gilded tomentum; tip of the abdomen with cinereous tomentum; legs whitish, hind femora towards the tips and hind tibiae black; wings greyish, veins and stigma black; halteres testaceous. Length of the body 4-1/2 lines; of the wings 8 lines. Gen. STRATIOMYS. 10. STRATIOMYS CONFERTISSIMA, n. s. _Foem._ Nigra, subtus ferruginea, capite fulvo, antennis basi fulvis, thorace vittis quatuor subauratis, scutelli margine fulvo, ventre piceo basi testaceo, pedibus fulvis nigro fasciatis; alis subcinereis, venis stigmateque nigris, halteribus testaceis. _Female._ Black, ferruginous beneath. Head, antennae at the base, border of the scutellum, and legs tawny; antennae a little shorter than the breadth of the head; thorax with four slightly gilded stripes; abdomen beneath piceous, testaceous at the base; femora and tibiae with broad black bands; wings greyish, stigma and veins black; halteres testaceous. Length of the body 4 lines; of the wings 7-1/2 lines. 11. STRATIOMYS NEXURA, n. s. _Mas et Foem._ Nigra, antennis basi fulvis, capite transverso brevioribus, abdominis lateribus, ventre, tibiis, tarsis halteribusque fulvis, alis limpidis, venis testaceis. _Mas._ Thorace atro piloso. _Foem._ Thorace nigro-aeneo angustiore. _Male and female._ Black. Head rather prominent; antennae tawny towards the base, shorter than the breadth of the head; spines of the scutellum, abdomen beneath, tibiae, tarsi, and halteres tawny; wings limpid, veins testaceous. _Male._ Thorax deep black, pilose; abdomen tawny along each side. _Female._ Head shining; thorax aeneous black, narrower than that of the male; abdomen with the tawny stripes much narrower than those of the male. Length of the body 3-1/2 lines; of the wings 6-1/2 lines. Gen. CLITELLARIA, _Meigen._ 12. Clitellaria 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_.