Mr. T. B. Fletcher on the genus Deuteroco'pus. Ill 
In his monograph of the Palaearctic Orneodidae, Dr. O. 
Hofmann remarked :— 
“Tlie genus Deuteroscopus from Java, with three lobes to the 
fore wing, which Zeller (Lin. Ent., vi, p. 402) on its foundation 
alleged to have a relationship with the Orneodidae, is according to 
investigation of its neuration a typical Pterophorid standing next to 
the genus Oxyptilus, Z. The cleft of the lower segment of the 
forewing is only a continuation, stretching deeper into the wing- 
membrane, of the forking which in Oxyptilus is found between the 
extended branches IIP of the Medius [vein 4] and IV^ of the 
Cubitus [vein 3]. Also the club-scales on the branches of the 
Cubitus of the hindwing, characteristic of the Pterophoridae, are in 
Deuteroscopns also present and indeed in two rows on the base of 
both branches, only in one row beyond that in the periphery itself.” 
In these observations Dr. Hofmann was perfectly correct 
—except for his misquotation of the name of the genus— 
and I quite agree tliat Dcuterocopus may be regarded as 
an offshoot from the Oxyptiline stem. 
In “ Spolia Zeylanica," vol. vi, pp. 16-17, I made some 
remarks on the Sinhalese members of the genus, but at 
that time I had concluded that the different forms occurring 
in Ceylon all belonged to one highly variable species. 
This is an opinion which I have now seen reason to alter, 
and my previous remarks under this heading must be 
considered as cancelled. 
The following characters are now given as a revised 
definition of the genus :— 
Labial palpi upturned, third joint about 4 length of second. Haustel- 
lum developed. Antennae moderate, minutely ciliated in Head 
with erected scales on crown. Abdomen short, thickset, third seg¬ 
ment usually edged posteriorly with a raised band of scales. Fore¬ 
tibia with apical scale-tuft, mid-tibia with a scale-tuft and pair of 
spurs at apex, hind-tibia very stout with a moderate whorl of scales 
near base and two large whorls, first beyond half, second apical, each 
emitting a pair of very long spurs, posterior tarsi with small whorls 
of spinous hairs on apex of two basal joints. Forewing moderately 
broad, cleft from about second segment again cleft, subsegments at 
least half length of second segment. Hindwing cleft from about f 
and from near base, segments linear, third segment with large apical 
scale-tooth and smaller tooth on dorsal margin at about half. 
Neuration ;—Forewing : 2 from lower edge of cell, 3 and 4 from 
beneath base of first cleft, 5 and 6 very short or absent, 7 from above 
