52 
AECTIID^. 
head, two on the collar, and one, elongated, on each tegula ; abdomen deep rose-red. Pri- 
maries below sulfused with rose-red, and faintly shot with lilacine ; the markings indistinct 
excepting towards apex ; outer margin narrowly black-brown, undulated : secondaries sub- 
ochreous, rosy tinted. Body below testaceous ; palpi and legs rosy above, banded with black 
and yellow, below testaceous. Expanse of wings 1 inch 3 lines. 
Rio Jui-ua; taken October 31, 1874 {J. W. H. Trail). 
ZATREPHES, Hubner. 
Zatrephes trailii, n. sp. (Plate XVII. fig. 7.) 
Allied to Z. nitida. Primaries golden ochreous, irrorated with carmine, and with a trans- 
verse central zigzag carmine line ; an oblique regular dark brown line crossing the wing near 
the base, and a second, slightly irregular, brownish carmine line just beyond the middle, and 
bounding (internally) a pearly hyaline irregular quadrifid discal patch edged with carmine ; 
an ill-defined series of carmine-edged lunated silvery spots ; a short basal brown litura : 
secondaries rosy, becoming whitish towards costa and outer margiu : thorax ochraceous, 
sparsely irrorated with carmine. Head and collar densely irrorated with carmine j abdomen 
rose-red, with ill-defined dorsal testaceous streak. Wings below pale rosy, the transverse 
lines and irrorations obsolete. Body below sordid white. Expanse of wings 1 inch 7 lines. 
Rio Jurua; taken November 12, 1874 (/. W. H. Trail). 
I have named this very beautiful species after its discoverer. 
Zatrephes paradisea, n. sp. (Plate XVII. fig. 11.) 
Primaries golden, with a glistening silver shot, reticulated with carmiae ; a central 
oblique dark brown bar from costa to external angle, bounding (inwardly) a large, externally 
sinuated, brown-edged, pearly hyaline patch, beyond and above which are several dark brown 
spots; the veins crossing the hyaline patch yellow, dotted with black ; a blackish spot near 
base of inner margin : secondaries pearly white, becoming rose-red towards abdominal and 
outer margins. Body golden, shot with silver, and spotted here and there with carmine. 
Wings and body below silvery white j the front legs and a spot in the centre of primaries (on 
the edge of the hyaline patch) rose-red. Expanse of wings 1 inch 1 line. 
Rio Jutahi; taken February 5, 1875 (/. TV. H. Trail). 
One of the most beautiful of the Arctiidse. 
PH^GOPTERA, Herrich-Schdffer. 
Phsegoptera rhodosoma. (Plate XVIII. fig. 3.) 
Phsegoptera rhodosoma, Butler, Ann. 4" Mag. Nat. Hist. ser. 4, vol. xvi. p. 233 (1875). 
Primaries pale brown, transversely streaked all over with dark greyish brown : secon- 
