46 Mr. H. Campion on 



Meso-metathorax very hairy, both above and at sides pale 

 green, with a rather low metallic glaze ; pale brown beneath. 



Wings uniformly tinged with brown; venation, including 

 the costa, black; pterostigraa dark reddish brown; 

 membranule cinereous. Antenodals ^. Postnodals g-^. 



Legs black ; femora of fore legs largely pale brown, of mid- 

 legs reddish brown below. 



Abdomen inflated at segment 2, slightly constricted at 3 ; 

 dorsum with a low metallic glaze, chocolate-brown proximally, 

 passing into black at 4; 10 apparently greenish brown, both 

 dorsally and laterally : some ill-defined pale brown markings 

 at sides of segments 1-5 ; sides of 6-8 with a better-defined, 

 broad, longitudinal, pale brown stripe, apparently ceasing 

 before the apical margin of each segment ; sides of 9 with a 

 triangular, basal, pale brown spot. Supra-aiial tubercle 

 of moderate size, black. Anal appendages about as long as 

 segment 9, black, straight, fusiform, convergent. Vulvar 

 lamina not projecting conspicuously, about a quarter as long 

 as segment 9 ; deeply bifid, each lobe triangular. 



Hemicordulia fidelis, MacLachlan. 



1 S , Mt. Canala, 12. vi. 14. 



Length of abdomen 33*5 mm. ; hind wing 32 mm. ; 

 pterostigma < 2 mm. 



Antenodals 5— g. Postnodals ~q. 



Originally described from the Loyalty Islands, and 

 subsequently recorded from New Caledonia, Hemicordulia 

 fidelis also occurs in the New Hebrides. In the British 

 Museum Collection there are two males from the island of 

 Tanna, in the last-named archipelago, collected in April 1875, 

 and presented by W. Wykeham Perry, of H.M.S. 'Pearl.' 

 In one of them the hind wing measures 31-5 mm. and in 

 the other 33 mm. 



1 ? , Noumea, 24. i. 14 (No. 106). 



Length of abdomen 37 mm. ; hind wing 35 mm. ; 

 l)terostigma 2 mm. 



Antenodals 5^. Postnodals ^^g. 



Particulars of the female sex were first given by Martin, 

 from material in his own collection (Coll. Selys, Cord. p. 12, 

 1906), and his description applies better to the specimen 

 before us than does the later account furnished by Ris, As 

 regards coloration, some of the discrepancies observed may 

 be due to the teneral condition of our specimen ; and the 



