434 Mr. W. F. Kirhy— -Notes on Phasmidaj 



Subfam. VI I r. Necmosciin^. 

 Genus SosiBiA, Stal. 



Sosihia ijerdnsidaris, sp. n. 



Female. — Brown, tlilckly clotted with grey ; antennte 

 black, ringed here and there with yellowish towards the 

 extremity ; front sloping above the antennoe, this portion 

 bordered behind by a curved row of a few small tubercles, 

 one of which on each side is black and more conspicuous than 

 the others. The head is covered with short black spines, 

 arranged in about four rows on each side of the median line ; 

 the row nearest the median line on each side is more regular 

 than the others, and terminates above the frontal depression in 

 a single central spine ; towards the margins are some black 

 tubercles among the spines. The thorax is strongly tuber- 

 culate, and the prothorax bears a double row of black spines, 

 slightly converging hindwards^ the intermediate ones longer 

 than the others, and in front of the mesothorax are two short 

 spines on each side close together. The front legs are testa- 

 ceous, banded with brown^ and the front femora expanded 

 and flattened ; the middle and hind legs are yellowish, with 

 the extremities of the femora and tibiae and at least the last 

 joint of the tarsi black. The tegmina are brown, slightly 

 bordered with yellowish, and convex ; the costal area of the 

 wings is light brown, varied with grey, and the membranous 

 part is brown and subhyaline. The cerci are short and very 

 thick, especially towards the extremity. 



Dimensions. 



mm. 



Long, corporis 81 



„ capitis 7 



„ pronoti 4 



„ mesonoti 12 



,, metanoti, cum segm. med 121 



,, fcm. ant 12^ 



„ „ med 10 



„ „ post 16 



„ tegm , 7 



Exp. pJ 115 



This species is allied to S. nujrispina, Stal, and 8. curtipes, 

 Wcstvv. It may be the. female of S. esacns, Westwood, but it 

 would be unsafe to put them together without evidence. 



J/ah. Penang [Flower). 



