434 Mr. H. W. Bates on the Longicorns of the Amazons. 
but it is shorter and more oval and convex than any other Lep- 
turges hitherto described. 
26. Lepturges scutellatus, n. sp. 
I. subovatus, paulo convexus; thorace fusco-nigro, griseo vario, 
spinis lateralibus validis, rectis, paulo ante basin sitis; elytris 
ovatis, apice breviter oblique truncatis, fulvo-brunneis, nigro 
maculatis, macula magna basali communi fusco-nigra fulvo-cinereo 
marginata. Long. 22 lin. 
Head clothed with tawny-brown pubescence; epistome and 
labrum testaceous ; palpi black. Antenne reddish, tips of joints 
dusky. Thorax widened and rounded from the fore to the hind 
part ; lateral spines stout and uncurved, placed a short distance 
from the hind angles, and the thorax greatly narrowed behind 
them; surface blackish, varied with silky grey marks. Elytra 
ovate, slightly convex, narrowed near the apex, and briefly and 
obliquely truncated; surface punctured, tawny brown, varied 
with blackish spots of various sizes, and having over the scutel- 
lar region a large black triangular spot broadly margined with 
tawny ashy. Body beneath dusky tawny, clothed with fine ashy 
pile. Legs dull red; thighs dusky and distinctly clavate. 
S. Paulo, Upper Amazons. The place of this species will be 
in the second division of the genus, near L. dorcadioides. 
Genus SPorETUS. 
3. Sporetus decipiens, n. sp. 
S. elongatus, Colobothee speciei simillimus, setosus, olivaceo-niger ; 
capite cinereo trivittato; thorace vitta lata laterali cinerea, medio 
nigro lineolata; elytris thorace basi duplo latioribus, elongatis, 
sinuato-truncatis, maculis cinereis in lineas transversas flexuosas 
irregulariter ordinatis, apice albo marginatis. Long. 4$lin. ¢. 
Head narrow, black ; forehead with three ashy stripes, besides 
a streak underneath each eye; vertex with an ashy central line, 
and a broad lateral stripe, the latter continuous with both the 
lateral stripe of the forehead and the cheek stripe. Antenne 
black, fourth joint ringed with ashy. Thorax very slightly 
widened from the front to beyond the middle, armed at that 
point with a minute tubercle, and then narrowed again to the 
base; surface black, sides each with a broad ashy stripe, in the 
centre of which is a short black line. Elytra twice the width of 
the thorax at its base, elongated, narrowed near the apex, the 
latter broadly sinuate-truncate (angles not produced); surface 
punctured, olivaceous black, marked with a number of small 
dingy-ashy spots, most of which are confluent, and tend to form 
three transverse flexuous lines. Body beneath plumbeous black ; 
