FASCICULI MALAYENSES 
9 
border of upper lip brown. The two basal segments of the antennae pale- 
brown, the rest darker. Ocellae pale-brown. Prothorax yellow-brown, with 
four oval black spots, two lying transversely on the anterior border, and two 
longitudinally on either side of the middle line of the middle part of the 
prothorax. Hinder border slightly arched ; sides a little dilated, transparent. 
Thorax purple-brown, somewhat metallic, especially the median carina, 
which is also darker, as is a stripe along the first lateral suture. Sides paler 
brown, almost yellow posteriorly, the second suture darker. 
Abdomen thin, graceful ; black in colour, a ring on the base of segments 
three to six, and the whole of the ninth segment pale ivory yellow. The first 
part of segments three to five, the middle of segment two, and almost the 
whole of the first segment pale brown. Segments eight and ten black. On 
the ventral side the pale brown parts of the dorsal surface are also ivory-yellow. 
Hinder margins of the sides and lower margin of the ninth segment black. 
Length of segments — I. *75 mm. 
2. l* mm. 
3-5. 6-5- -7 mm. 
7. 5 mm. 
8. 1*25 mm. 
9. '75 mm. 
10. a little less than - 5 mm. 
Anal appendages (see text and Fig. 2 A. B.) somewhat similar to those of 
Platysticta quadrata. The under pair are fully i mm. long, the upper a little longer; 
