NEUROPTERA 69 



(9) Agrion adytum, sp. nov. 



Closely allied to the preceding, and like it of very slender form in the t- 

 Neither sex pruinose. Abdomen dark, black or more or less piceous. Apex of labrum 

 pale, otherwise the face below the antennae nearly black in the Z, in the % it is nearly 

 entirely pale. Post-ocular spots wanting in the three t examples, but one has a pale 

 line on the posterior margin of the vertex in the middle. Dorsal thoracic markings 

 present or absent in this sex, in the single $ the latero-dorsal stripes are abbreviated 

 into a spot on either side in front. Legs black or piceous, femora more or less pale 

 beneath. Abdomen of ? with a yellow spot on the sides of the first and second 

 segments. Wings with 18 — 22 post-cubitals in the front pair, and 3 or 4 cellules 

 between the quadrilateral and the nodus. 



^ characters very like those of the preceding, but the apical process of the superior 

 appendages is shorter and the minute tubercle on the inferior margin between the 

 apical inferior tooth and the base is absent. They are distinct at once from those of 

 A. amaurodytnm by the small size of that tooth. 



$ superior appendages black, valvules and their appendages pale. 



Hab. Mountains of Kauai (4000 ft.). 



(10) Agrion oresitrophum, sp. nov. 



Male of very slender form with red abdomen, the 6th and 7th segments at least 

 black. Face below the antennae red or pale, post-ocular spots of the same colour and 

 connected. Prothorax spotted, the front and hind margins also red or yellow. Latero- 

 dorsal lines of thorax and median crest similarly coloured. Legs red or pale, with 

 black spines. Wings with 14 — 17 post-cubitals in the front pair, and 3 cellules between 

 the quadrilateral and the nodus. 



Superior appendages very short, much shorter than the loth segment in lateral 

 view, the apex black and directed downwards, viewed inwardly the inferior margin is 

 very strongly rounded, and near the base gives rise to an acute spine directed upwards, 

 its point attaining to about the level of the superior margin of the appendage. Lower 

 appendages long extending considerably behind the superior, curved inwards and 

 upwards, their apices black, very slightly emarginate (hardly perceptibly in some 

 examples), to form two exceedingly minute spines. Tenth segment angulately excised. 



Two female examples from the same locality may belong to this species ; the 

 abdomen is entirely blackish above, with a narrow pale ring at the base of the 

 segments. Clypeus and labrum black or blackish at the base. Wings as in the ^. 

 (Plate V. figs. 8 & 8fl.) 



