52 ARCTIHXE. 



head, two on the collar, and one, elongated, on each tegula ; abdomen deep rose-red. Pri- 

 maries below suffused 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 Jurua; 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 margin : thorax ochraceous, 

 sparsely irrorated with carmiue. Head and collar densely irrorated with carmine ; 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 carmiue; a central 

 oblique dark brown bar from costa to external angle, bounding (inwardly) a large, externally 

 siuuatcd, brown-edged, pearly hyaline patch, beyond and above which arc several dark brown 

 spots; the veins crossing the hyaline patch yellow, dotted witli black ; a blackish spot near 

 base of inner margin : secondaries pearly white, becoming rose-red towards abdominal and 

 outer margins. Body golden, shot with silvci - , and spotted here and there with carmine. 

 Wings and body below silvery white; 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. 



Bio Jutahi; taken February 5, 1875 (./. W. H. Trail). 



One of the most beautiful of the Arctiiihe. 



PHffiGOPTERA, Herrich-Schaffer. 



Phasgoptcra rhodosoma. (Plate XVIII. fig. 3.) 

 Phacgoptora rhodosoma, Bulla; Ami. .j- Mag. Nat. Hist. ser. 4, vol. xvi. p. 233 (1875). 



Primaries pale brown, transversely streaked all over with dark greyish brown : seeon- 



