414 Rev. T. Blackburn 07i Hcuoaiian Neuroptera. 



vures of the wings, which are quite bLack. It is a male, and 

 its genitalia differ from those of A. Junius as follows : — Of 

 the superior appendages the apical spine is very much shorter 

 and less acute, and the angles at the two points where the 

 internal edge of the appendage is successively contracted are 

 much more rounded off. The plate which forms the inferior 

 surface of the lower appendage is darker in colour and not 

 wider than long (viewed from beneath), and there are 

 only two very obtuse teeth on the upperside. There can 

 be little doubt of the distinctness of this species from A. Junius. 

 My specimen was captured at an elevation of more than 

 4000 feet. The species is very strong on the wing, and very 

 shy and difficult to capture. I have seen what appeared to 

 be specimens of it frequently, but always at a considerable 

 elevation, on the higher mountains. It is a really magnificent 

 dragon-fly. 



Agrionina. 



Of these I possess several species, which I shall venture to 

 describe as follows : — 



Agrion ? sateUes^ sp. nov. 



Allied to A. caJliphya, McLachl. The pterostigma is 

 smaller, surmounting scarcely more than one cellule. The 

 quadrilateral is less elongate, its upper edge being not more 

 than half the length of the lower in both pairs of wings. 

 Postpterostigmatic cellules irregular (in one of my speci- 

 mens they form a single row on the posterior wings, in the 

 other they are partially duplicated, but on one posterior wing- 

 more than on the other). Three cellules between the quadri- 

 lateral and the nodus. 



Prothorax obscurely spotted with red (I have a specimen of 

 A. caUipliya in which the same part has some red spots). 



Hind body red, with only some obscure black markings. 



In the male the hind margin of the tenth segment is strongly 

 excised semicircularly. The superior appendages are longer 

 than the segment, stout, blackish, pointed at apex, greatly 

 dilated at base, without a basal tubercle. Inferior appen- 

 dages very little shorter, red, with black tips, very strongly 

 curved upwards. 



Female unknown. 



Length of hind body, $ 35 millim. ; length of posterior 

 wing 22 millim. ; expanse 50 millim. 



This species occui's on Haleakala, Maui, at an elevation of 

 about 4000 feet above the sea. 



