96. MUSCA GLORIOSA, n. s. (genus Silbomyia, _Macq._) _Foem._ Cyaneo-viridis, capite laetissime aurato frontalibus atris, antennis pedibusque nigris, thorace vittis quatuor cupreis, pectore maculis quatuor albis, abdomine viridi-cyaneo, vitta tenui purpurea, alis cinereis apud costam nigris, alulis albis. _Female._ Golden green. Head brilliantly gilded, frontalia deep black, widening towards the face; a brilliantly-gilded lanceolate streak between the antennae, which are black; epistoma piceous, slightly prominent; thorax with four cupreous stripes; pectus with four white tomentose spots; abdomen greenish blue with a very slender purple stripe; legs black, femora blackish green; wings grey, black for full one-third of the breadth from the costa, praebrachial vein forming a very obtuse angle at its flexure, from whence it is nearly straight to its tip, discal transverse vein very slightly undulating, parted by less than half its length from the border, and by more than half its length from the flexure of the praebrachial; alulae pure white. Length of the body 6 lines; of the wings 12 lines. 97. MUSCA OPULENTA, N. S. (genus Silbomyia, _Macq._) _Foem._ Aureo-viridis, Capite Aurato, Frontalibus atris, antennis piceis, thorace vittis quatuor subobsoletis cupreis, pectore maculis duabus albis, alis cinereis apud costam nigris, alulis albis. _Female._ Golden green. Head brightly gilded, frontalia deep black, linear, epistoma piceous, slightly prominent; antennae piceous; thorax with four almost obsolete cupreous stripes; pectus with a spot of white tomentum on each side; abdomen with a very indistinct cupreous stripe; tibiae and tarsi black; wings grey, black along the costa, praebrachial vein forming a right angle at its flexure, near which it is slightly curved inward, and is thence straight to its tip, discal transverse vein undulating, parted by more than half its length from the border and from the flexure of the praebrachial; alulae white. Length of the body 4-1/2 lines; of the wings 8 lines. 98. MUSCA MACULARIS, n. s. (genus Chrysomyia? _Desv._) _Mas et Foem._ Aureo-viridis, capite argenteo antice aurato frontalibus atris, antennis pedibusque nigris, thorace vittis tribus cupreis vix conspicuis, scutello cyaneo, pectore maculis quatuor lateralibus albo tomentosis, abdomine viridi-cyaneo maculis quatuor lateralibus albis, alis cinereis basi nigricantibus, alulis nigricantibus.