belonging to the Homopterous family Cicadide. 685 
Dundulia tripurasura, n. s. 
$. Head, pronotum and mesonotum ochraceous. 
Head: front with a triangular black spot near base, 
and transverse black strie which do not meet in the 
centre ; vertex with two large oblique and irregular 
black fasciz on disk, and a large irregular black spot on 
inner margin of eyes. Pronotum with two central 
longitudinal black fascia, and three oblique black striz 
on each side, the outer one submarginal and somewhat 
rounded. Mesonotum with a large central clavate spot, 
of which the apex terminates on anterior margin, bor- 
dered on each side by a subconical spot, followed by 
a small triangular one, and a wide submarginal fascia, 
black. Abdomen dull sanguineous, with a series of 
discal segmental black fasciz (these are much larger in 
some specimens and subconfluent), and a lateral seg- 
mental row of irregular black spots. Body beneath with 
the sternum ochraceous, covered with greyish pubescence. 
Abdomen dull sanguineous ; opercula pale sanguineous ; 
legs ochraceous. Tegmina and wings pale hyaline. 
Front very prominent and convex ; head, including eyes, 
narrower than base of pronotum, subequalto mesonotum 
in width. Opercula subtriangular, well separated at 
base, gradually becoming more divergent, and narrowing 
to apex, which is obtuse, and almost reaches apex of 
fourth abdominal segment. Anterior femora armed with 
three spines; two moderately large and ochraceous ; 
apical one small and black. Posterior tibie with three 
black spines on inner side near apex, and two smaller 
and wider apart on margin. Long. 33 mm. Exp. tegm. 
85 mm. 
Hab. Assam. 
This species is allied to D. vibrans, Walk., from 
which it structurally differs by the long and _ sub- 
triangular opercula. The abdomen is also broader, the 
tegmina unspotted, and the sanguineous colour of the 
abdomen and opercula are also somewhat peculiar and 
distinct. 
Dundubia nagarasingna, 0. s. 
3. Body above castaneous. Head with centre of 
front and an oblique fascia on each side of ocelli 
