GILOLO, TERNATE, A]^D CERAH. 



11 



34. Musca promittens, Walk. See Vol. IV. p. 134. 



35. Musca obtrusa, Walk. See Vol. III. p. 105. 



Sub fain. Anthohyides, Walk. 



Gren. Atomogaster, Macq. 



36. Atomogaster biseriata, n. s. Fcem. Cana, capite albo, fron- 

 talibus atris latiusculis, antennis nigris, thorace vittis tribus obscuri- 

 oribus indistinctis, abdomine vitta nigricante maculisque sex quadratis 

 nigris subtus testaceo, pedibus testaceis, alis cinereis. 



Female. Hoary ; head white ; frontaha deep black, linear, rather broad ; 

 proboscis and palpi black, the latter slender, slightly curved ; antennae 

 black, 3rd joint not reaching the epistoma; arista bare, stout at the 

 base ; thorax with three slender, indistinct, darker stripes ; abdomen 

 elongate-oval, testaceous beneath, with a blackish stripe, which is 

 interrupted on the hind border of each segment, and with three 

 quadrate black spots on each side ; basal segment not spotted j legs 

 testaceous ; wings cinereous ; veins black, testaceous towards the 

 base ; discal transverse vein straight, parted by about its length from 

 the border, and by nearly twice its length from the praebrachial trans- 

 verse ; alulae white. Length of the body 2f lines ; of the wings 4i 

 lines. 



37. Atomogaster triseriata, n. s. Fcem. Schistacea, capite albo, 

 frontalibus rufis, thorace vittis tribus obscurioribus indistinctis, abdo- 

 mine maculis sex elongatis nigris, segmentis albo marginatis, femoribus 

 apice tibiisque fulvis, alis cinereis. 



Female. Slate-colour ; head white ; frontalia red, linear ; thorax with 

 three very indistinct darker stripes ; abdomen fusiform, a little longer 

 than the thorax, with three elongated black spots on each of the three 

 last segments ; hind borders of the segments white ; legs black ; 

 tibiae and tips of the femora tawny; wings cinereous; veins black, 

 tawny at the base ; discal transverse vein hardly bent inward, parted 

 by hardly less than its length from the border, and by nearly twice its 

 length from the praebrachial transverse ; alulae white. Length of the 

 body 2| lines ; of the wings 4 lines. 



Subfam. Helomtzides, FalUn. 

 Gren. Helomyza, Fallen. 



38. Helomyza interventa, n. s. Fcem. Testacea, crassa, capite, 

 scutelli apice, abdomine femoribusque nigris, alis cinereis antice 

 subluridis. 



Female. Testaceous, thick ; head black, bristly above, white in front ; 

 antennae testaceous, 3rd joint short ; arista plumose ; scutellum 

 black towards the tip ; abdomen black, elliptical, not longer than the 

 thorax ; femora black ; wings cinereous, with a lurid tinge in front ; 



