South American Micro-Lepidoptera. 697 
Machimia morata, n. sp. 
$. 18-15 mm. Head and thorax whitish-ochreous tinged with 
brownish above. Palpi ochreous-whitish, second joint fuscous 
except apex. Antennal ciliations 2}. Abdomen fuscous-whitish. 
Forewings elongate, posteriorly slightly dilated, costa gently arched, 
apex obtuse, termen rounded, oblique ; whitish-ochreous sprinkled 
with fuscous ; stigmata blackish, plical small, rather beyond first 
discal; a more or less incomplete strongly curved series of dark 
fuscous dots rather near margin from beneath 2 of costa to above 
dorsum before tornus ; cilia whitish-ochreous. Hindwings and cilia 
ochreous-grey-whitish. 
ARGENTINA, Parana; three specimens. 
Machimia orthodoxa, n. sp. 
¢. 19mm. Headand thorax whitish-ochreous. Palpi ochreous- 
whitish, lower half of second joint dark fuscous. Antennal ciliations 
5. Abdomen pale whitish-ochreous. Forewings elongate, posteriorly 
slightly dilated, costa moderately arched, apex obtuse, termen slightly 
rounded, somewhat oblique ; whitish-ochreous, slightly sprinkled 
with dark fuscous ; a blackish dot on base of costa ; stigmata dark 
fuscous, plical obliquely beyond first discal ; a strongly angulated 
series of dark fuscous dots running rather near margin from beneath 
costa at 2 to above tornus : cilia whitish-ochreous. Hindwings and 
cilia ochreous-grey-whitish. 
BraZiL, Petropolis; one specimen. 
Machimia chlorochroa, n. sp. 
¢ 9. 27-28 mm. Head, thorax, and abdomen pale whitish- 
ochreous. Palpi ochreous-whitish, second joint slightly fuscous- 
tinged. Antennal ciliations in ¢ 1). Forewings elongate, costa 
gently arched, apex obtuse, termen rounded, rather oblique; in ¢ 
pale greyish-ochreous, in 9 whitish-ochreous with a faint median 
longitudinal streak indicated by some greyish scales ; discal stigmata 
obscure, fuscous, in 9 more marked : cilia ochreous-whitish. Hind- 
wings in ¢ whitish-grey-ochreous, in ? pale whitish-ochreous ; 
cilia ochreous-whitish. 
ARGENTINA, Parana; two specimens. 
Machimia coneinna, n. sp. 
9. 17-19 mm. Head and thorax light greyish-flesh-colour. Palpi 
white more or less sprinkled with dark fuscous, basal half of second 
