330 MR. W. F. KIEBY — A REVISION OF 



part is yellow, marked with a small coppery-green spot ; in the female the yellow 

 colour of the thorax predominates, the middle being broadly black (spotted with 

 yellow between the wings), and the sides marked with four coppery stripes, confluent 

 below ; the front of the prothorax and legs black, except the under surface of the 

 front femora in the female. Abdomen with a row of reddish or yellow spots on the 

 sides of segments 2-7 above (divided by the carinas on segments two and three), and in 

 the female there is a row of smaller spots (mostly obliterated in the male) below the 

 lateral carinee as far as segment seven. Wings hyaline, very slightly smoky at the base 

 of the hind wings ; pterostigma yellow, between black nervures ; membranule white, 

 blackish within. 



Hob. India. 



Appears to be a common species. 



Brachymesia australis. 



Long. corp. 40 millim. ; exp. al. 66 millim. ; long. pter. 3J millim. 



Head and thorax very hairy, dull greenish, shading into reddish in the middle of 

 the clypeus, near the mouth, and near the coxse. Legs blackish above and testaceous 

 beneath. Abdomen testaceous brown, segments 7 and 8 marked with a black spot 

 above. Wings hyaline, with brown nervures, the costa a little yellowish ; pterostigma 

 yellow, between black nervures ; hind wings with the base narrowly tinged with yellow 

 beyond the black membranule. 



Hab. Sydney. 



There is nothing in the shape, size, or colour of this species to distinguish it from 

 any ordinary Crocothemis or Urothemis at first glance, notwithstanding its very peculiar 

 structure. 



Deielia fasciata. (Plate LIIL fig. 6.) 



Long. corp. 39 millim. ; exp. al. 70 millim. ; long. pter. 3| millim. 



Female. — Upper part of the head black, except the frontal tubercle, which is yellow, 

 large, and oval ; the frontal ocellus very large and conspicuous, entirely surrounded 

 with black, and the suture deeply hollowed to receive it ; back of the head black, 

 spotted with yellow ; face almost entirely yellow, punctured ; mandibles black ; nasus 

 with a deep black puncture on each side ; labrum with three black punctures on the 

 basal suture, and the sutures of the labium black. Prothorax broadly brown in the 

 middle, with a yellow stripe on each side. Mesothorax brown above, with rather 

 indistinct transverse bands before and behind the insertion of each wing; pleura 

 yellow, with four broad black bands on the sutures, connected beneath, and with short 

 narrow black lines in the yellow spaces before and behind the last. Abdomen with 

 all the sutures and carinse black, and a wide black band (only interrupted at the base 

 of the second segment) on each side, broadening from the base of each segment, thus 



