52 
black markings (the insect being looked at with its head next the 
observer) appear as three parallel wide vitte, connected (along 
the base, and also a little behind the middle) at their extremities 
by transverse fasciz ; while the apical quarter of the elytra is 
occupied by a spot bearing a rough resemblance to the figure of 
a tree standing on the hinder transverse fascia, and not reaching 
the apex, except very narrowly along the suture. This species is 
not unlike S. Walsonz, Saund., but besides considerable difference 
in pattern, the prothorax is considerably wider across the base 
than across the middle, &e. 
Australia; I am doubtful of the exact habitat; in 8S. A. 
Museum. 
S. marcida, sp. nov. Sat angusta; viridis, elytris (sutura in 
medio basique anguste viridibus exceptis) rufis ; capite inter 
oculos leviter concavo, sat crebre minus fortiter (fere ut 
S. viridicincte, Waterh.), punctulato; prothorace quam 
longiori fere duplo (postice quam antice circiter dimidio) 
latiori, vix manifeste canaliculato, pernitido, ineequaliter sat 
fortiter sat crebre (fere ut S. flavomarginate, G. & H., sed 
latera versus magis crebre magis rugulose) punctulato, 
lateribus modice sat equaliter arcuatis, basi bisinuata (in 
medio vix distincte lobata), angulis anticis minus distinctis. 
posticis sat acutis; elytris sat fortiter striatis (interstitiis. 
transversim subtiliter rugatis sparsim subfortiter punctu- 
latis) ad apicem leviter emarginato-truncatis, angulis 
suturalibus sat acutis vix prominulis, basi leviter eequaliter 
arcuata ; corpore subtus pilis pallidis sat dense vestito, sat 
crebre sat fortiter punctulato. 
Maris segmento ventrali apicali apice profunde arcuatim 
emarginato. lLong., 12 1.; lat., 42 1 
The width of the prothorax is to its length down the middle as 
19 toll. The species in general appearance is suggestive of 
S. flavomarginata, G. & H., but differs from that species (apart 
from colour) inter alia by its narrower form, and especially by its 
longer head with the clypeus emarginate in front, and its pro- 
thorax evenly arched at the sides, whereas in flavomarginata the 
prothorax is at its widest a little in front of the base and thence 
narrows forward with sides but little curved. 
The middle part of the prosternum is punctured rather strongly 
and closely, scarcely less so than the middle part of the ventral 
segments ; this, however, is very likely not the case with the 
female. In my example of flavomarginata, which seems also to 
be a male, the apical ventral segment is only slightly emarginate 
(almost truncate) behind, and the middle part of the prosternum 
is very finely and sparsely punctulate. 
W. Australia; in the collection of C. French, Esq. 
