424 MR. MARTIN JACOBY ON NEW SPECIES [ Nov. 28, 
OEDIONYCHIS PALLESCENS, Sp. 0. 
Pale flavous, the antenne (the basal joints excepted), the knees, 
and the anterior and intermediate tibie and tarsi black; thorax 
impunctate; elytra exceedingly minutely punctured. 
Length 4—43 millim. 
Head impunctate, deeply grooved between the eyes, the latter 
very large but well separated, frontal elevations transverse, 
strongly raised, carina linear, palpi flavous; antenne extending 
to the middle of the elytra, black, the lower three joints flavous, 
third joint very slightly shorter than the fourth; thorax one half 
broader than long, slightly narrowed anteriorly, the sides narrowly 
flattened, the lateral margins rounded, anterior angles produced 
inte a small tooth, the dise impunctate ; elytra slightly widened 
towards the middle, narrowly margined, the base not depressed, 
the surface very minutely and closely punctured; the knees, the 
anterior and intermediate tibie and tarsi black (but not always) ; 
the rest of the legs and the under side flavous, the posterior femora 
sometimes with a piceous spot near the apex. 
Hab, Peru. 
Principally distinguished by the colour of the legs and its 
small size. 
OEDIONYCHIS INCONSPICUA, Sp. n. 
Testaceous, the intermediate joints of the antennz black; eyes 
closely approached ; thorax impunctate; elytra finely and closely 
punctured. 
Length 5 millim. 
Head impunctate, deeply grooved between the eyes, the latter 
very large, each broader than the space dividing them ; clypeus 
short and thick; antennze not extending to the middle of the 
elytra, black, the lower three and the apical two joints testaceous, 
third and fourth joints equal; thorax twice as broad as long, the 
sides rounded, broadly flattened, the anterior angles slightly 
produced but blunt, the surface impunctate ; elytra rather convex, 
nearly parallel, extremely minutely punctured; below and the 
legs testaceous, the breast more or less pale piceous; first joint of 
the posterior tarsi as long as the following two joints together, 
claws strongly swollen. 
Hab. Amazons. 
Larger than O. pallescens; the antenne of different colour, the 
eyes larger and more closely approached, the metatarsus of the 
posterior legs rather longer than usual, but not so pronounced as 
in Asphera, and the thorax typical of the genus. There are four 
specimens before me. 
OEDIONYCHIS HERBACEA, Sp. n. 
Black, head finely punctured ; thorax testaceous, the sides 
strongly rounded, finely wrinkled; elytra convex, testaceous, 
strongly and closely punctured, the extreme basal and sutural 
margins black; abdomen testaceous. 
