NEW FORMS OF SPHINGID. 107 
the upper surface are faintly marked. The apex is reddish brown. 
Hindwing pink irrorrated with grey white more especially in the 
basal half and on inner margin. A thick, slightly curved discal line 
of darker red between veins 8 and 3; a more faintly marked dentate 
sub-marginal line from costa to anal angle, slightly angled at vein 5 
Antenne dirty grey. Head blackish brown, greyish at the sides. 
Palpi with outer part of second and third segments blackish brown, 
inner half of these segments and segment 1 chocolate brown. 
Collar blackish brown. Patagia vandyke brown irrorated with grey 
white. Abdomen grey brown above, below paler tinged with pink. 
Segments above darker at the base and narrowly ringed with golden 
orange. Pectus grey white, tinged with pink. Fore- and mid-femora 
grey white tinged with pink, tibie and tarsi blackish brown. 
Posterior femora and tibiz grey white tinged with pink. 
Length of fore wing: 26 mm. 
Hab.—French Indo-China, 1 3. 
4. Pachygonia ribbet peruviana, sub-sp. nov. 
Pachygonia ribbei, Druce, Biol. Cent. Amer., Het., 1, p. 4, 
pl. i, f. 2 (1881) (Chiriqui). 
3. Differs from typical ribbez, Druce, in the darker brown 
coloration of the upper surface, especially of the hind wing, where, 
however, the lines are more distinct. The underside is more 
ochraceous than in the typical form and the post-discal line of the 
fore wing is narrower. 
Hab.—Rentema Falls, finger Maranon, N. Peru, 1000 ft., 
A. HE. Pratt. 
5. Nephele leight, sp. nov. 
Distinct from any other known form in the genus, but resem- 
bling equivalens, Walk., in the absence of black patches on the 
abdomen. ‘The hind tarsi are, however, shorter than in this 
species. 
Upperside with ochreous-brown ground-colour. Fore wing in 
basal lower part dark greenish ochreous. An oblique darker brown 
discal band, not very distinct ; a similar post-discal band, anteriorly 
broader and ill-defined, slightly angled at vein 3; an irregular faint 
post-discal line. A very irregular sub-marginal line marking off a 
darker distal area which is evident in cellules 4 and 5; a second sub- 
marginal line divides the narrow ochreous-brown marginal from the 
inner blackish-brown area, which is slightly dusted with grey. 
Hind wing dark greenish ochreous; distal margin deep brown, 
narrowing “posteriorly. Underside paler ochreous brown. Fore wing 
with the dark marginal area well marked. Hind wing with three not 
. strongly marked discal lines, the middle one about midway between 
the others, and only distinct to the submedian. Head, palpi and 
pectus grey as in e@guivalens. Antenne grey white above, brown 
below. Thorax dark greenish ochreous. Abdomen pale ochreous 
without markings. Legs pale ochreous. 
Length of fore wing: 41 mm. 
