BY FREDERICK A, A. SKUSE. 
1143 
Genus 52. Brachydiorania, gen.iiov. 
Auxiliary vein incomplete, very short, bent posteriorly. Apex 
of the inner marginal cell lying over the base of the second sub- 
marginal cell. Fork of the third longitudinal vein with a very 
short petiole. Second posterior cell small, its base situated far 
beyond the base of the second sub-marginal cell. Branches of 
the fourth longitudinal fork divergent. Fifth longitudinal vein 
incomplete, long, ending just before the base of the second pos- 
terior cell. Sixth longitudinal vein large. Abdomen of the ^ 
with six segments. 
Genus 53. Dynatosoma, Winn. 
Auxiliary vein bent posteriorly, ending in the first longitudinal 
vein. Apex of the inner marginal cell immediately before or 
over the base of the second sub-marginal cell. Petiole of the fork 
of the third longitudinal very short. Base of the second posterior 
cell under or beyond the base of the second sub-marginal cell. 
Fifth longitudinal vein very stout, long and broken off under the 
second posterior cell. Abdomen of the ^ with six segments. 
Genus 54. Cordyla, Meig. 
Auxiliary vein as a short tooth, bent posteriorly. Apex of 
the inner marginal cell lying over the fore part of the petiole of 
the third longitudinal fork ; the petiole somewhat long. Second 
sub-marginal cell narrow. Third longitudinal vein frequently 
disappearing before the margin. Second posterior cell large, wide 
open, the base before, under or beyond the base of the second sub- 
marginal cell. Fifth longitudinal vein incomplete. Sixth longitu- 
dinal vein large. Abdomen with seven segments. 
I N C E R T AH S E D I S. 
Genus 55. Cnkpiia<:opuil.\, Phil. 
“Ocelli duo. Antennaj caput cum thorace superantes, Ifi- 
articulataj ; articulis duobus i»rimis crassis reliquis cylindricis. 
Ala* cellula basilari unica Vjrevi ; marginalibus duabus, prima 
