420 RHOPALOCERA. 
terminal joint of the palpi is very small and about one fourth the middle one; the 
basal joint being long and > 4 middle joint. The antenne have thirty-nine joints, the 
terminal fourteen forming a moderate club. 
The tegumen in the male has an even terminal edge, and there are two strong lateral 
hooks ; the harpagones extend upwards, and are then bent outwards, and are terminated 
in a narrow setose lobe, they seem to be united beneath into a long strong spine. The 
penis is a broad truncate tube, from the interior of which proceed three filaments 
strongly armed with dentate papille ; there is no strap proceeding from the penis to the 
base of the harpagones. In addition, there is a peculiarity in the male of Cricosoma 
arypete which we have not noticed elsewhere: between the second and third segments 
of the abdomen are peculiar patches of scales, one on either side; these scales are 
of bulbous shape, and terminate in a spine with a knob at the end; there are also 
similar patches between the third and fourth segments. 
1. Cricosoma xypete. 
Mesene xypete, Hew. Ent. Monthl. Mag. vi. p. 227’; Ex Butt., Erycinide, ff. 8, 9”. 
Alis testaceo-rubris, marginibus externis et punctis submarginalibus nigris, anticis costa maculis transversis sex 
notata; subtus ut supra, alis ad basin nigro punctatis, linea submarginali puncta nigra includente 
flavida. 
Q mari similis sed alis pallidioribus maculis nigris magis distinctis, posticis lineis duabus submarginalibus 
notatis. 
Hab. Nicaragua, Chontales (Belt 1?, Janson); Panama, Chiriqui, Calobre (Arcé). 
This is a very distinct species, having no near allies, so far as we know. C. phedra 
of Bates probably comes closest to it, but the black spots on the wings are nearly evenly 
distributed in that species, whereas in C. xypete the internal area is plain-coloured. 
It is a tolerably common insect in Nicaragua, where Belt discovered it; it occurs 
again in the State of Panama, but we have not seen specimens from the neighbourhood 
of Chiriqui, which is somewhat strange, considering how thoroughly this district has 
been investigated. 
MESENE. 
Mesene, Westwood, Gen. Diurn. Lep. p. 441. 
We know of about forty-five species belonging to this genus, and these are spread over 
the whole of Tropical America from Southern Mexico to Peru. Ten species occur 
within our limits, of which no less than seven are peculiar. In coloration great variety 
is shown amongst the different species, by which means the genus may be separated — 
into tolerably distinct groups, some of which may prove to be of generic value when 
more minute dissections have been instituted. 
The subcostal nervure of the primaries of Uf. hedemanni emits two branches before 
the end of the cell and one after it; the middle discocellular and upper radial meet the 
subcostal very nearly at the same point, the lower discocellular meets the median 
nervure beyond its second branch, both discocellulars being atrophied; the costal and 
median sides of the cell are subequal. The secondaries have a strong basal nervure; 
