a 
328 Mr. A. G. Butler on the 
caractéres de l’insecte parfait ne sont pas, en effet, tres 
tranches.” 
The fact is that the antenne of the males ought 
to have been regarded asthe most important character 
for distinguishing these groups, those of Boarmia being 
broadly pectinated, and those of Tephrosia narrowly 
pectinated, or, in exceptional cases, almost simple ; 
these are broad distinctive characters, but it may be 
necessary, in strictly attending to them, to break up 
Tephrosia into two genera. 
GEOMETRIDAE. 
Nemoria, Hiibner. 
27. Nemoria iris, n. 8. 
Near to ‘‘Geometra” remotaria of Walker; wings 
apple-green, crossed by an oblique tricoloured stripe from 
the costal margin near the apex of primaries to the 
external third of abdominal margin of secondaries ; this 
stripe is golden green internally, yellow in the centre, 
and pure white externally; a black dot at the end of 
each cell; fringe yellowish green at base, and tipped 
with white, the central line being apple-green ; primaries 
with a second stripe at basal third transverse, golden 
ereen externally, and yellow (narrowly edged with white) 
internally ; costal border snow-white, the extreme mar- 
gin barred with red-brown ; body white, collar yellowish, 
tegule green ; primaries below pale apple-green, crossed 
obliquely by an ochreous line; a black dot at the end of 
the cell; frmge and edge of costal border as above ; 
secondaries green, washed with silvery white; body white; 
expanse of wings, 1 inch. 
Uricurituba, Rio Tapajos, 17th March, 1874. 
Jopis, Hiibner. 
28. Jodis opaca, 0. 8. 
Deep apple-green ; wings crossed beyond the middle 
by a nearly straight stripe, which does not reach the 
costal margin of the primaries, its inner half testaceous, 
its outer half greenish white ; fringe white, traversed by 
a green line; primaries with a slender yellow costal 
margin speckled with blackish; a black dot at the end 
of the cell; an indistinct nearly straight stripe across 
