456 Mr. E. Meyrick on 
A. synomotis, sp. n. 
3. 389 mm. Forewings somewhat elongate, hind margin oblique ; 
rather dark fuscous, purplish-tinged ; a darker discal mark, and an 
indistinct dot near before it. Hindwings rather dark fuscous. 
Celebes; one specimen. 
Margaronia laticostalis, Gn. Pulo Laut, Sambawa. 
M. diaphanalis, Walk. Pulo Laut. 
M. glauculalis, Gn. §8.E. Borneo. 
M. aquosalis, Snell. Celebes, 8.E. Borneo. 
M. pomonalis, Gn. Sambawa. 
M. costiflexalis, Gn. Sambawa. 
M. principalis, Walk. 8.H. Borneo. This species is 
closely allied to M. prothymalis, Swinh., but differs in 
the form of the large postmedian blotch of the forewings, 
which is rounded-oblong, the two ends about equally 
broad, whereas in prothymalis the blotch is triangular, 
the upper end being very much broader. 
M. badialis, Walk. S.E. Borneo. 
M. bwwitralis, Gn. S.E. Borneo. 
M. actorionalis, Walk. Pulo Laut. 
M. conclusalis, Walk. Sambawa. 
M. bicolor, Sv..ins. Sambawa. 
M. stolalis, Gn. Pulo Laut, 8.E. Borneo. 
M. sphenocosma, sp. n. 
dg. 19—21 mm. Antennal cilia 2. Forewings moderate, hind 
margin rather oblique ; fuscous-whitish; two straight, oblique, 
dark fuscous fasciz near base ; beyond these a parallel white fascia, 
edged with dark fuscous ; then a large transverse-oval dark fuscous 
spot, reaching from near costa to submedian fold ; beyond this a 
narrow triangular white spot from costa beyond middle, edged 
with dark fuscous, reaching half across wing ; second line slightly 
curved, dark fuscous ; terminal area beyond this wholly fuscous ; 
cilia fuscous, tips at anal angle white. Hindwings white ; a dark 
fuscous streak from costa near base to anal angle; a dark fuscous 
median fascia, furcate above so as to enclose a triangular spot ; 
second line straight, dark fuscous, terminal area wholly fuscous ; 
cilia fuscous, tips white on lower half of hind margin. 
Pulo Laut, S.H. Borneo; two specimens. 
M. scapulalis, Ld. (lymphatalis, Swinh.). Pulo Laut. 
M. tolumnialis, Walk. Pulo Laut. 
