32 Mr. A. G. Butler on the 



median interspace, and is surmounted by a second similar 

 spot tinted with blue ; fringe grey, excepting at anal 

 angle and upon abdominal border, where it is white ; 

 some scattered erect black bristles upon the inner margin 

 of the abdominal fold ; head and thorax orange ; abdomen 

 sordid flesh-pink, whitish at the sides and with the centre 

 of the two basal segments orange ; undersurface sericeous, 

 primaries brown, with whitish internal area ; secondaries 

 whitish, with brownish costal border ; body whitish : ex- 

 panse of wings 1 inch. 



E,io Tapajos, 12th March; West bank of Rio Madeira, 

 15th and 16th May; Ilha das Araras, 3rd June; on 

 board the Yeamiaba, 11th August; liio Jurua, 4° 40' S., 

 66" 40' W., 29th October; 6th November; Rio Javary, 

 5th December, 1874; Boaventura, Rio Jutahi, 26th 

 January; Boa Vista, 1st February; Barreira branca, 

 3rd February; Santarem, 4th February, 1875. 



This and the following species have the metallic lines 

 arranged much as in the Geometrid species Pallas aura. 



32. Phrygionis metalligera, n. sp. 



Primaries pale buff", apical and costal areas faintly 

 opaline ; centre of internal area shot with rose coloiu-, 

 the dark spots upon it shot with blue ; basal area and 

 costa speckled with dark brown and silver ; an irregulai'ly 

 /^-shaped silver line, from inner margin to subcostal vein, 

 slenderly black-edged externally, and partially bordered 

 with cupreous internally, enclosing an oblong interno- 

 median black-brown patch and several small spots of the 

 same colour ; a curved discal series of five or six black 

 dots, beyond which is a second abbreviated series of three 

 smaller dots near external angle ; a semicircular silver 

 line limiting the apical area, internally bordered with 

 cupreous ; a submarginal series of black dots, each pair of 

 which is united by a little silver line ; two subapical longi- 

 tudinal silver dashes, the lower one dividing an apical 

 black spot ; fringe at apex spotted with black ; secondaries 

 much paler, nearly Avhite, Avith darker buff fi-inge and 

 margin ; a submarginal series of black dots and silver 

 connecting lines as in the primaries ; a reddish spot near 

 the anal angle partly enclosed by two black-dotted silver 

 spots, surmounted by a buff and then a silver spot ; head 

 and thorax pale buff, the latter dotted with brown ; 

 abdomen greyish, whitish at the sides and base, a central 

 subbasal red -brown spot; undersurface creamy -white. 



