Ne^^roptera Odonata. 



169 



first segment with a large quadrate black spot^ not 

 reaching the posterior margin ; second segment blackish 

 in the middle ; sutures of all the segments broadly black ; 

 ninth and tenth black at the sides ; ventral longitudinal 

 suture broadly black : superior appendices curved^ black, 

 somewhat clavate at the tips ; inferior appendices trian- 

 gular. 



Anterior ivings hyaline, semicircular at the apex; no 

 pterostigma ; costal vein thickened and reddish just be- 

 fore the nodus ; a broad, brown, somewhat quadrate 

 band below the nodus, reaching across the wing, slightly 

 fenestrate with clearer spaces ; apex broadly dark 

 brown, this space being about as broad as long, and 

 straight internally. Posterior wings hyaline, tinged with 

 yellow, the apex narrowly smoky ; pterostigma surmount- 

 ing 3-4 cellules, dilated, black. Nine ante-cubital ner- 

 vules and about twenty-two post-cubital nervules, in the 

 anterior wings. ( c? •) 



Length of body, 14^ lines ( = 31 mill.). Expanse of 

 wings, 27 lines ( = 56 mill.). 



Hah. — Tondano, in the Island of Celebes (Wallace) . 



This, one of the largest of the genus, is the only de- 

 scribed species in which the anterior wings have a median, 

 as well as an apical, dark band. 



Chalcopteryx scintillans, n. sp. 



Closely allied to C. rutilans, Ramb., and of the same 

 size ; it differs as follows : — 



C. scintillans (S)- 



Head : crown with two very small 

 and indistinct reddish spots ; front 

 entirely unspotted. 



Prothorax unspotted. 



Thorax proper, with no median 

 red bands ; a very slender humeral 

 line on each side, and three similar 

 lateral ones, yellow. 



Abdomen entirely black, withol^t 

 spots. 



Legs entirely black. 



Anterior wings slightly broader ; 

 pterostigma shorter. 



Posterior wings : upperside en- 

 tirely brassy, without any blue at 

 the base : underside brown, with 

 brilliant metallic pui'ple reflections, 

 changing to bluish on the margins. 



C. rutilans (S)- 



Head : crown, front, and labrum 

 with many large orange-red spots. 



Prothorax with two red spots. 



Thorax: with two broad sub- 

 median bands, and a humeral line 

 on each side, orange-red ; below 

 these are three yellow lines. 



Abdomen : first segment with yel- 

 low spots. 



Legs: interior of femora brown- 

 ish. 



Posterior wings : iipperside bras- 

 sy, the apex coppery, the base me- 

 tallic blue : underside uniformly of 

 a brilliant fiery copper-colour. 



