26 Mr. R. Shelford on some 
testaceous, last segment and subgenital lamina rufo-casta- 
neous ; supra-anal lamina short, trigonal, with a median 
impressed line; subgenital lamina ample, semiorbicular, 
projecting beyond the supra-anal lamina; cerci moderate, 
black. Legs rufo-testaceous ; femora very sparsely armed, 
not more than two spines on the anterior and posterior 
margins of each. 
Total length 6 mm.; length of tegmina 4 mm. 
Andrahomana, South Madagascar (Ch. Alluaud, 1901) ; 
two examples (Paris Museum). 
One of the smallest species of the genus. 
Subfam. Payrropromin 2. 
Genus IscunorTEeras, Burm. 
Ischnoptera Ridleyi, sp. n. 
¢. Head ferruginous, a V-shaped darker mark between 
the antennal sockets ; antenne ferruginous, longer than the 
body. Pronotum rounded, posteriorly truncate, sides slightly 
deflexed, not covering vertex of head; disk rufous, with two 
broad vitte, black in colour, not reaching the posterior 
margin, their outer margins sinuate, their inner margins 
straight. 'Tegmina ferruginous ; radial vein bifurcated at 
the middle; sixteen costal veins; discoidal area with eleven 
longitudinal sectors; seven axillary veins. Wings hyaline, 
veins fuscous, the marginal field suffused with flavid; radial 
vein bifurcated at the middle, mediastinal vein with five 
branches ; fourteen costal veins; median vein sinuate; ulnar 
vein with fourteen branches, six of which go to the apex of 
the wing. Abdomen infuscated above, ferruginous below; 
the seventh tergite notched in the middle of its posterior 
margin, the eighth very narrow; the eighth sternite reduced 
to a pair of lateral lappets; the supra-anal lamina quadrate, 
its posterior margin notched and produced on each side of 
the notch into two curved and slender processes; the sub- 
genital lamina subquadrate, its posterior margin much 
thickened, forming two asymmetrical swellings which are 
grooved and furnished with numerous minute denticles ; 
stylesabsent. Front femora with the anterior border beneath 
armed throughout its length with long stout spines. 
Length of body 22 mm.; length of tegmina 20 mm. 
Singapore (H. N. Ridley, March to May, 1906); one 
example (Oxford Museum). 
This species, like so many of its Oriental congeners, presents 
unusual modifications of those external parts which are 
