No. 30.] 49 
Cuestnut Sutra, *S. castanee. Fuscous, more or less green when 
recent ; head, anterior edges of thorax and all beneath, 
bright yellow ; elytra hyaline with an apical-and large 
longitudinal basal spot, fuscous. Length, male 0-25, fe- 
male 0:30. Common on the chestnut. No. 669, male; 
670, female. ; 
Var. a. Face with scattered fuscous dots. No. 671. 
Oax Sminia, *S. querci. Black, with an abbreviated bright yellow 
dorsal vitta, which is commonly interrupted near its tip ; 
legs pale yellow. Length, 0-22. On oaks. No. 672, male. 
Var. a. Dorsal vitta not interrupted. No. 673. 
Srrirep Sina, S. vittata, (Amyotand Serv.) Hemipt. p 539. 
Common on the red and black oak. No. 674, female. 
Subsp. *guttata. The oblique stripe replaced by a 
few greenish spots or dots. No. 675. 
Earep Sminia, *S. auriculata. Bright green, when faded mottled. 
with yellow, immaculate; humeral angles. somewhat 
salient, rounded ; keel evenly rounded, much elevated, 
anteriorly advanced and overhanging the head; elytra 
scarcely exceeding the tip of the thorax. Length, from 
the front 0:35, from the anterior end of the keel 0-40 ; 
height 0:23. Onoaks. Rare. No. 676, male. 
*CYRTOISA. 
(Gr. «pros, curved, hump-backed.) Humeral angles rounded, 
not salient ; dorsum compressed-foliaceous, forming a regularly 
arched keel highest near its middle, and at most with a slight con- 
cavity posteriorly; apical cellule triangular, itsend rounded. Dif- 
fers from Smilia in having the keel most elevated in its middle in- 
stead of anteriorly. 
Margiep Cyrrosia, C. marmorata, (Say.) Jour. Acad, Nat. Sei., 
vi. 301. On oaks. No, 677, female. 
Winpowep Cyrrosia, *C. fenestrata. Yellow marbled with ru- 
fous ; a pellucid spot behind the summit of the keel and 
a smaller one half way to the apex ; an oblique yellow 
vitta below the anterior spot, margined with fuscous or 
sanguineous ; tip of the thorax reaching beyond the ter- 
minal cells of the elytra. Male black, the pellucid 
[Senate, No. 30] 4 
