458 RHOPALOCERA. 
but we remove from it the fourth section (Hamearis) containing upwards of twenty 
species ; these constitute our genera Hamearis, Apodemia, and Polystigma. As compared 
with the genera just named, Lemonias can be distinguished by the front legs in the male 
having a single tarsal joint, and the primaries with no upper discocellular. In Hamearis 
this nervule is distinctly present; in Apodemia the tarsus of the front leg of the male 
has two joints; in Polystigma not only has the front leg of the male three distinct 
joints, but the third seems to be the fusion of the third, fourth, and fifth; moreover, 
the extremity of the tarsus has a distinct pair of claws. Basing our division of the old 
genus Lemonias on these characters we seem to get very natural groups. Lemonias 
itself is thus a purely neotropical genus, having its focus in the Amazons valley; in our 
region the number of species decreases towards the north; thus in the State of Panama 
we find no less than ten of our fourteen species, in N icaragua five, in Guatemala four, 
and in Mexico only one. 
The subcostal nervure of the primaries in LZ. sudias emits two branches before the 
end of the cell and one after it; the lower and middle discocellulars are both atrophied 
for the greater part of their length, the upper meets the subcostal at the same point as 
the upper radial, the lower the median just beyond the second branch; the costal and 
median sides of the cell are subequal. The secondaries have a basal nervure; the 
discocellulars are both atrophied, the upper meets the subcostal beyond the first 
branch, the lower the median just beyond the second branch, the costal and median 
sides of the cell are subequal. . 
The front legs of the male have the trochanter inserted beyond the middle, the femur 
< 4 coxa, tibia < coxa, tarsus (single-jointed) nearly = tibia; there is a short seta at 
the extremity; the terminal joint of the female=second joint, and has a setose pad 
beneath ; the second, third, and fourth joints terminate beneath with a spine. The 
palpi have a long terminal joint (longer in the female than in the male), =4 middle 
joint (in female >4). The antenne have forty-eight joints, of which the terminal 
fourteen form a moderate club. 
The harpagones in the secondary sexual organs of the male have a projecting lobe 
slightly setose at its end, above this is a long slender rod rounded at the end and setose 
in the middle; the penis is long and slightly decurved, and the usual strap connects it 
with the base of the harpagones. In Z. wmulius the tegumen has distinct dentate 
projections on both lobes; the harpagones appear to consist of two slightly overlapping 
lobes, the upper one bearing two strong dentate processes. In ZL. penthea the outer 
margin of the lobes of the tegumen is also dentate; the harpagones have a single 
Icbe terminating with a short, strong upturned point. In L. emulius the harpagones 
are single-lobed, with two dentate processes at the end. The penis is shorter and 
stouter than in either of the two preceding genera, and shows an elongated patch of 
spines towards the distal end. In Z. trenea the harpagones terminate in a strong 
gradually tapering slightly upcurved point. The penis is both long and stout, and 
