TETTTGIDiE. 841 



The hind part of the prothorax is a little longer than that of S. har- 

 pago, and it has no tubercles on the dorsal keel ; the membrane on the 

 hind tibiae is much shorter. 



a. Ceylon. From Dr. Thwaites' collection. 



10. SCELYMENA EXTENSA. 



Fcem. Nigricans, graciles ; frons subtuberculata ; prothorax sub lubercu- 

 latus, subtricarinatus, lateribus bispinosis, poslice abdomen longissime 

 superans ; tibia tarsique postica albido marginata ; alee poslicce 

 diaphana, iridescentes, nigricante submarginatce. 



Female. Blackish, slender. Head small, prominent, and with the two 

 usual keels between the sockets of the antennae; front with a few very 

 slight tubercles. Eyes very prominent. Antennae very slender, longer 

 than the breadth of the prothorax. Prothorax with a few very slight 

 tubercles and with three very slight keels; fore part with two spines on 

 each side (the hinder one curved and longer than the other) and with two 

 transverse impressed lines; hind part lanceolate, compressed, very slender, 

 extending for much more than half its length beyond the tip of the abdo- 

 men. Legs slender; hind tarsi towards the base and hind tibiae with a 

 narrow whitish membrane on each side. Hind wings pellucid, very 

 iridescent, slightly and very narrowly blackish along the exterior border; 

 costal stripe and veins black. Length of the body 13£ lines; expansion of 

 the hind wings 24 lines. 



a, b. Java. From Mr. Melly's collection. 



11. SCELYMENA CONTRACTA. 



Fcem. Picea, crassa; caput, lividum; prothorax bituberculatus, abdo- 

 minis apicem longe superans, carina dorsali bene delerminata ; femora 

 subtus dentata ; tibia tarsique postica marginata ; ala minima. 



Female. Piceous, very stout. Head livid. Eyes whitish, prominent. 

 Prothorax with a well-defined middle keel, and with two large tubercles on 

 each side of the hind part, which is lanceolate and extends much beyond 

 the tip of the abdomen. Legs stout; femora dentate beneath; hind tibiae 

 with a narrow tawny membrane on each side; hind tarsi with a testaceous 

 membrane on each side towards the base and with a tawny band near the 

 tip. Wings rudimentary. Length of the body 5£ lines. 



a. Hindostan. Presented by Sir W. Elliot. 



* Genus 3. AMORPHOPUS. 

 Amorphopus, Serv. Hist. Orth. 756. 



1. Amorphopus notabilis. 

 notabilis, Serv. Hist. Orth. 757, pi. 13, f. 2. 

 Cayenne. 



