194 
fuscous, the third.joint longer than the fourth, triangularly widened : 
and deeply emarginate at the apex, terminal joints rather long and 
slender; thorax more than twice as broad as long, the sides slightly 
narrowed at the base, rounded in front, the angles indistinct, the 
surface with a few fine punctures near the anterior angles, the rest 
impunctate, the sides with an oblique short sulcus, the space in 
front of the scutellum semicircularly depressed and bounded above 
by a blunt ridge, the centre of the depression carinate; scutellum 
triangular; elytra closely and distinetly punctured, flavous, shining, 
the basal portion, surrounding the scutellum excavated; the last 
abdonimal segment trilobate, the median lobe much broader than 
long, slightly concave. E Rues 
Hab. Africa, River N'Gamic. (Belgian Mus). 
In the female, the third joint of the antenuæ is also much longer 
than the fourth, but simple, the thoracic sulcus is broader and of 
semicireular shape but does not extend to the sides, the blunt ridge 
and depression in front of the scutellum is absent and the elytra 
have no excavation but are slightly depressed at the sides of Le 
scutellum; in other respect there is no difference. 
Phyllobrotica africana n. sp. 
Flavous, the antenuæ, tibiæ and tarsi black, thorax obsoletely 
sulcate, nearly impunctate, elytra very finely and closely punctured 
flavous, the apex black, their epipleuræ absent below the base. 
Length 21/2 lines. | 
Head impunctate, frontal elevations transverse, not strongly rai- 
sed, clypeus acutely raisedbetween the antennæ, labrum black, palpi 
piceous, the penultimate joint strongly swollen, antennæ extending 
to two-thirds the length of the elytra, black, the basal two joints 
shining, the others pubescent, the second joint short, the third 
slightly longer than the fourth and following joints ; thorax rather 
more than twice as broad as long, the sides rounded, rather convex 
and deflexed, the surface with a few fine punctures, obsoletely 
sulcate at the middle of the disc, the depression not extending to 
the lateral margin; scutellum triangular; elytra finely and closely 
punctured, without basal depression, flavous, the apex with a round 
black spot, their epipleuræ with a narrow margin at the extreme 
base, entirely absent below the latter; underside and legs flavous, 
tibiæ and tarsi black ; tibiæ unarmed, the first joint of the posterior 
tarsi as long as the following joints together; claws appendiculate; 
the anterior coxal cavities open, 
Hab. River N'Gamic, Simlia Falls. (Brussels, Mus.) 
There seems to be no sexual difference outwardly visible, the 
last abdominal segment having a sinuate outer edge in both sexes. 
