324 Mr. W. L. Distant on the 
and a larger spot on each lateral area (sometimes practically 
absent), and a rounded spot near each anterior angle of the 
basal cruciform elevation black ; abdomen above pale casta- 
neous with black shadings on basal and apical areas, beneath 
pale shining ochraceous, the apical area pale castaneous; 
sternum, opercula, and legs testaceous brown; tegmina and 
wings hyaline; the first with the costal area, venation, basal 
cell, suffusions to basal margins of first and second ulnar 
areas, broader suffusions to the apical margins of all the 
ulnar areas, and prominent spots to the apices of all the 
veins to apical areas testaceous brown; wings with broad 
suffusions at the apices of the upper ulnar areas, and narrow 
outer margin testaceous brown; face prominently trans- 
versely ridged on lateral areas; rostrum passing posterior 
coxze, its apex black ; opercula transverse, not extending 
beyond base of abdomen, outer margins convex; body 
above and beneath more or less sparingly ochraceously 
pilose. 
Long., excl. tegm., 9, 37-42 mm.; exp. tegm. 100- 
105 mm. 
Hab. Laos; Chapa (A. Vitalis de Salvaza). 
Allied to 7. psecas, Walk., but a larger species, the oper- 
cula broader and more transverse, the wings with discal 
suffusions and margins testaceous brown. 
Terpnosia mesonotalis. 
Terpnosia mesonotalis, Dist. Ann. & Mag, Nat. Hist. (8) xix. p. 102 
(1917). 
Caleagninus salvazanus, Dist. 1. c. p. 108. 
The specimen I included in the genus Calcaginus (supra) 
was apparently tuberculous on the abdomen beneath; from 
a further and lengthy series this character is not to be 
maintained, and the species must be suppressed and placed 
as a synonym of Terpnosia mesonotalis. 
Geana laosensis, sp. ni. 
?. Head, pronotum, and mesonotum black ; a large spot 
on each lateral area of the pronotum, the abdomen, and legs 
more or less bronzy brown ; two basal spots to head (one 
* near each eye), a transverse series of four spots to meso- 
notum and two central spots at base of same, a spot on each 
side of face near eyes, coxal margins, and a double series of 
submarginal abdominal segmental spots ochraceous ; teg- 
mina pale tawny brown, a central transverse series of four 
