4 MECOPTERA AND PLANIPENNIA 
are known, different by the curious process of the hindborder 
of the third tergit, which bears a very variable clubshaped 
prominency, that rests upon an elevation of the fourth tergit 
and which does not exist in the european species. I would 
propose for this group, that overleads to Leptopanorpa, the 
subgeneric name of Neopanorpa. The females are not dif- 
ferent from those of european species. 
The colours of the wings are like those of the european 
species, or they are less developed and may also wholly 
disappear. In the latter case the males have a long and 
slender abdomen and are only distinct from Leptopanorpa 
by the sessile ninth or cheliferous segment. In all species 
the subcosta joins the costa at the pterostigma in the 
forewings and in the hindwings about in the middle. 
Key to the species. 
Abdomen of the male as long as or scarcely longer 
than the wings. Wings more or less spotted with fuscous. 
A pterostigmatical crossband always developed . . 1 
Abdomen of the male much longer than the wings, 
segments 7 and 8 long and very slender. Wings hyaline or 
with apical patch, no pterostigmatical dark crossband. 2 
1. Apex of the wings fuscous. . . 3 
Apex of the wings hyaline, a z- sath aaa pterosticmalieae 
erossband. Huse ran Ghee Me te oh 
3. The pterostigmatical crossband connected with the apex, 
m-shaped, a crossband before the middle of the wing. 
Abdomen of the 7” very long. . . javanica Westw. 
The same ecrossband simple, apical patch with latero- 
basal prominency in the forewing. Abdomen of the male 
not longer than the wings. . . angustipennis Westw. 
The same crossband simple, much narrower, apical patch 
quadrangular... .. .°.. '.:-. leren 
Notes from the Leyden Museum, Vol. XXXL. 
