380 Mr. W. F. Kirby—WNotes on Blattide. 
the hind border yellow. Tegmina with the costal margin 
subhyaline yellow, a small yellow spot near the base, and 
another at one third of the length, both near the costa; be- 
tween the second and the inner margin is a much larger, 
transverse, oval, yellow spot. Base of tegmina blackish. 
Wings, and a great portion of the middle of the abdomen 
beneath, as far as the base of the terminal segment, black. 
Hab, Mindanao, Philippines. 
PERISPHARIINZE. 
Genus THYSANOBLATTA, nov. 
Male.—General characters of Derocalymma, Burm. Pro- 
notum regularly curved, longer than broad, semioval, with a 
broad depressed channel before the raised marginal line; hood 
below with the sides moderately broad, narrowing on each 
side to a point in front, the central part over the head almost 
linear. Pronotum clothed with long hair above, which 
forms a fringe all round, except on the hinder edge. Eyes 
approximating ; front femora with three short spines below, 
and a terminal spine above; hind tibie with three rows of” 
spines above. 
Differs from Trichocoma, Stal, in the shape of the pro- 
notum, which in Stal’s genus is described as being wider 
before than behind. 
Thysanoblatta latipennis, sp. n. 
Long. corp. 18 millim.; exp. al. 45 millim. 
Male.—Pronotum black, rugose-punctate, with a very 
slight median carina, most distinct behind; the channel 
within the recurved marginal line broad, smooth, reddish ; 
the recurved edge brown at the sides; hind border of pro- 
notum narrowly brown, pronotum clothed and fringed with 
long ferruginous hair. Hood moderately broad, punctured, 
contracted to a line in front; ocelliform spots very large, pale 
yellow ; eyes closely approximating, the line between, and 
the front orbits and lower mouth-parts, testaceous; the rest of 
the face black, distinctly punctured. Antenne black, testa- 
ceous towards the base. Abdomen and under surface lighter 
or darker testaceous, the abdomen blackish towards the extre- 
mity above, and towards the sides and extremity beneath ; 
cerci pale yellow, base of coxe and a more or less distinct line 
on the femora black. ‘Tegmina narrow, yellowish hyaline, 
the costal area and base of the inner margin whitish ; basal 
fourth opaque, reddish brown, shading into black at the base; 
