South American Micro-Lepidoptera. 31 



narrow, costa moderately arched, apex pointed, termen extremely 

 obliquely rounded ; 6 separate ; grey, spriiilcled with blackish and 

 tinged here and there with whitish ; islical and second discal stigmata 

 moderate, ochreous, edged with black marks above and beneath, 

 first discal small, black, obliquely beyond plical; thick cloudy 

 ferruginous-blackish oblique fasciate bars from costa at J, J, middle, 

 and f , reaching about half across wing, second terminated by plical 

 stigma, third shorter but with a more oblique projection reaching 

 to apex of fourth, both these terminated by second discal stigma, 

 fourth being little oblique; a cloudy darker spot on tornus; an 

 irregular blackish praeapicai blotch : cilia light greyish, with two 

 blackish lines. Hindwings grey; cilia light grey; in ^ with two 

 or three expansible enormously enlarged shuttle-shaped pearly 

 scales (J length of wing) from towards base lymg along costa above, 

 and a very large elongate chitmous process projectmg obliquely 

 from costa near base, beneath black and concave to receive a fine 

 pencil of long hairs, partially covered beneath by a frmge of much 

 enlarged flat pearly prismatic scales, the remainder covered by a 

 fringe of very long scales projecting downwards from beneath costa 

 of forewmgs on basal |. 



British Guiana, Bartica, in December and January 

 {Parish) ; eight specimens. The curious and exception- 

 ally complex apparatus for protecting the scent-producing 

 hairpencil of the hindwings suggests that the ])erfume is 

 in this species unusually volatile and precious. 



Aristotelia eryclna, n. sp. 



(5* $. 9-10 mm. Head whitish-ochreous, sometimes sprinkled 

 with fuscous. Palpi ochreous-whitish, second and termmal joints 

 each with two dark fuscous bands. Thorax pale greyish-ochreous 

 sprinkled with dark fuscous. Abdomen whitish-ochreous more 

 or less suffused with grey. Forewings elongate, narrow, costa 

 slightly arched, apex obtuse-pointed, termen extremely obliquely 

 rounded; 6 separate; pale greyish, suffusedly irrorated with dark 

 fuscous, irregularly tinged and spotted with light rose-pink ; a very 

 oblique suffused blackish streak across fold about 1 , and an oblique 

 blackish streak from costa to plical stigma, space between these 

 and towards dorsum anteriorly sometimes suffused with pale ochre- 

 ous; stigmata black, rather elongate, plical obliquely before first 

 discal; two or three small pale marks on costa towards apex; a 

 more or less developed longitudinal blackish streak from second 

 discal stigma : cilia pale greyish, with blackish subbasal line round 

 apex interrupted with pale rosy-tinged spots on tornus, and dark 



