158 Mil. WALKEll ON DIPTEUA COLLECTED IN AMBOYNA. 



side. Eyes bare. Palpi tawny. Antennae piceous, slender, almost 

 reaching the epistoma ; 1st and 2nd joints tawny ; 3rd linear, rounded 

 at the tip, about foiu' times the length of the 2nd ; arista slender, 

 bare, stout at the base. Thorax slightly cinereous ; forepart with 

 three more distinct white stripes, which terminate in a middle white 

 band ; pectus white. Abdomen cylindi-ical, much narrower than the 

 thorax, and about twice its length, chalybeous at the tip, and with 

 two broad chalybeous bands on the fore borders of the segments. Legs 

 long, slender, nearly bare. Wings narrow, brovviiish ; veins tawny at 

 the base ; prsebrachial vein forming a very obtuse angle at its flexure, 

 fi'om whence it is almost straight to its tip ; discal transverse vein 

 slightly undulating, parted by half its length from the border, and by 

 much more than its length from the flexure of the prsebrachial ; alulae 

 pale yellow, the lower pair extremely large ; halteres white. Length 

 of the body 3^ lines ; of the wings 7 lines. 



Subfam. Saecophagidbs, Walk. 



Gen. Sarcophaga, Meigen. 



47. Sarcophaga sericeonitens. Foem. Cinerea, capite aurato, frou- 

 talibus nigris antice sublatescentibus, thorace vittis tribus nigris par- 

 allelis bene determinatis, abdomine tessellato subtus basi nigro, alis 

 cinereis apud costam subobscurioribus, alulis albis. 



Sarcophaga sericeonitens, Dol. MSS. 



Female. Cinereous. Head pale-gilded ; frontalia black, slightly widen- 

 ing in front. Palpi black. Thorax with three regular parallel black 

 stripes, the middle one extending over the scutellum. Abdomen di- 

 stinctly tessellated, black beneath at the tip. Wings grey, a little dark- 

 er along the costa ; prsebrachial vein forming a right angle at its flexure, 

 near which it is curved inward, and is thence straight to its tip; discal 

 transverse vein straight, parted by much less than its length from the 

 border, and by little more than half its length from the flexure of the 

 prsebrachial ; alulae w hite. Length of the body 5^ lines ; of the 

 wings 8 lines. 



48. Sarcophaga aurata, n. s. Mas et Ftem. Cinerea, subaurata, 

 capite aurato micante, frontalibus atris antice sublatescentibus, thorace 

 vittis tribus nigris parallelis bene determinatis, abdomine apice aurato 

 vittis tribus apiceque nigris, alis cinereis apud costam fuscescentibus, 

 alulis albis. 



Male and Female. Cinereous, very slightly gilded. Head brightly gild- 

 ed; frontalia deep black, slightly widening in front. Palpi and an- 

 tennas black. Thorax with three regular jjarallel black stripes, the 

 middle one extending over the scutellum. Abdomen brightly gilded 

 towards the tip, narrower in the male than in the female, with three 

 black stripes, the middle one extending to the tip, which is black, the 

 lateral pair extending to the bind border of tlie 3rd segment. Wings 



