NOVITATES ZOOLOGICAE XXIV. 191". 255 



Forewing black-brown slightly variegated with paler brown and olive ; basal 

 one-thii-d to vein 1 deeper black-brown, a basal dull cinnamon patch below 

 vein 1, a long black apical streak and two large lavender-grey patches on vein 1, 



reaching inner margin below it and halfway to vein 2 above it. Hmdwing 



dirty cinnamon wood-brown with traces cf paler central cloud-band. 



Length of fore'sring : 32 mm. Expanse : 72 mm. 



Habitat. Tinguri, Carabaya, South-east Peru, 3,400 ft., August 1904 (G. 

 Ockenden), 4 cJo type; La Oroya, Carabaya, 3,100 ft., September 1905 (G. 

 Ockenden), 1 o. 



81. Rifargia basiplaga spec. nov. 



S ?. Antennae sooty black ; head and thorax chestnut-brown , tegulae and 

 patagia mixed with brownish buff ; abdomen sooty brown. 



Forewing : basal one-thhd cinnamon, rusty brown to vein 1, edged and rayed 

 with rufous chocolate, outer two-thirds of wing and all below vein 1 dark dull 

 brown ; above vein 3 on outer two-thirds of forewing densely suffused and 

 sprmkled with whitish grey, a po^tmedian suiuous rufous hah-line and black 



termmal hair-lme. Hindwing sooty black-brown, base suff"used slightly with 



cinnamon. 



Length of forewing : cj 23-26 mm., $ 28 mm. Expanse : <J 51-59 mm., 

 $ 63 mm. 



Habitat. St. Jean de Maroni, French Guiana, 2 $S type ; Potaro, British 

 Guiana, April — May 1906 (S. M. Klages), 2 oo ; Rio Demerara, British Guiana, 

 2 ?? ; Fonte Boa, Upper Amazons, May — October 1906 (S. M. Klages), 5 SS. 



82. RiJargia steinbachi spec. nov. 



(J. This and the following species are distinguished by their long, narrow, 

 and pointed wings. 



Antennae amber-brown ; head cinnamon-brown ; thorax greenish grey ; 

 abdomen rufous cinnamon. 



Forewing rusty cinnamon above median fold, shaded and clouded with 

 mossy olive-grey and green ; outer one-fifth of wing and all below median fold 

 dark olive mouse-grey ; a Ijand from base along basal one-thiid of median fold 

 and a broad ill-defined zigzag cloud-like band from one-fifth before apex obliquely 



to below middle of median fold rusty brown-black. Hindwing white washed 



with brown on termen and abdominal area. The Fonte Boa 3 is much more 

 rufous on forewing, but is much rubbed. 



Length of forewing : 26 mm. Expanse : 59 mm. 



Habitat. Buenavista, East Bolivia, 2,438 ft., August 1906— April 1907 

 (J. Steinbach), 1 S type; Fonte Boa, Upper Amazons, May 1906 (S. M. 

 Klages), 1 (J. 



83. Rifargia muscosa spec. nov. 



cj. Antennae dark brown, serrations amber-yellow ; head chestnut rufous ; 

 tegulae chestnut rufous edged with soot-brown black, rest of thorax soot- 

 brown black mixed with green-grey ; abdomen first two segments chestnut 

 rufous, sides golden orange, rest of abdomen and anal tuft sooty black with a few 

 scattered yellow hairs, lateral line except on last two segments golden orange. 



