_T. rubidus._ Front with the callus quite entire. Antennæ blackish. Middle stripe of the abdomen composed of triangular spots. Wings greyish. _T. partitus._ Smaller. Front with the callus almost interrupted. Antennæ pale tawny, with darker tips. Middle stripe of the abdomen entire, parallel. Wings quite limpid. Gen. CHRYSOPS, _Meigen_. 22. Chrysops dispar, _Fabr. Syst. Antl._ 112. 5. Mount Ophir and Malacca. Inhabits also Hindostan and Java. Fam. ASILIDÆ, _Leach_. Subfam. DASYPOGONITES, _Walk._ Gen. DISCOCEPHALA, _Macquart_. 23. DISCOCEPHALA DORSALIS, n. s., fœm. Nigricans, thorace subgibboso, lateribus pectoreque testaceis, pedibus posticis longiusculis sat validis, tibiis posticis subarcuatis, alis subcinereis apice obscurioribus. _Female._ Blackish. Thorax somewhat gibbous; sides and pectus testaceous. Hind legs rather long and stout; hind tibiæ somewhat curved. Wings greyish, rather darker at the tips; veins black. Length of the body 5 lines; of the wings 12 lines. Malacca. Subfam. LAPHRITES, _Walk._ Gen. LAPHRIA, _Fabr._ 24. Laphria Reinwardtii, _Wied. Auss. Zweifl._ i. 503. 7. Malacca. Inhabits also Java and Sumatra. 25. LAPHRIA NOTABILIS, n. s., mas et fœm. Nigra, capite thoracisque maculis quatuor transversis lateralibus auratis aut albis, abdominis lateribus albomaculatis, pedibus pallidè flavis aut albis, femoribus tibiisque apice tarsisque nigris, alis fuscis basim versus sublimpidis. _Male and Female._ Black. Head with pale gilded or white tomentum. Face convex towards the epistoma. Mystax with a few black bristles. Proboscis straight, porrect, linear. Third joint of the antennæ slender, linear, about twice the length of the 1st and 2nd together. Thorax with two transverse marks on each side of gilded or white tomentum; scutellum, sides of the hind part of the thorax, and spots on the pectus of the same hue. Segments of the abdomen with a white spot and a few black setæ on each side. Legs pale yellow or white, with hairs of the same hue and with a few black setæ; coxæ, tarsi, and tips of the femora and of the tibiæ black. Wings dark brown, almost limpid towards the base which is brown. Halteres pale yellow or whitish. Length of the body 7–9 lines; of the wings 14–18 lines. Malacca and Mount Ophir. 26. Laphria Vulcanus, _Wied. Auss. Zweifl._ i. 514. 25. Malacca. Inhabits also Java. 27. Laphria alternans, _Wied. Auss. Zweifl._ i. 511. 20. Singapore. Inhabits also Java. 28. LAPHRIA ORCUS, n. s., fœm. Nigra, nigro-hirsuta, scutello nigro-cyaneo, abdomine pedibusque nigro-purpureis, alis nigricantibus areolarum discis pallidioribus, halteribus albidis.