50 Mr. A. G. Butler on the 



Neritos, Walker. 



57. Neritos psamas. 



Phcdoina psamas, Cramer, Pap. Exot. iii. p. 72, 

 pi. 234, G. (1782). 

 Rio Jutahi, near Rio Curnem, 29tli January, 1875. 



58. Neritos obscurata. 



? . Neritos ohscurata, Butler, 111. Typ. Lep. Het. i. 

 p. 51, pi. 17, fig. 6 (1877). 

 2. Prainha, 14tli November, 1873; $. Rio Juruti, 

 31st October, 1874. 



Elysius, Walher. 



59. Elysius optimus. 



Elysius optimus, Butler, 111. Typ. Lep. Het. i. 

 p. 51, pi. 17, fig. 8 (1877). 

 Rio Jurua, 31st October, 1874. 



This species is clearly allied to E. ilus of Cramer and 

 apparently to E. hermia, which (notwithstanding my note 

 in Journ. Linn. Soc. 1876, p. 432) appears to be allied to 

 E. ilus. 



Ammalo, Walker. 



60. Ammalo chrysogaster. 



Halesidota cA/'j/5o^«5fcr,Walker,Lep. Het. Suppl. i. 

 p. 312 (1864). 

 $. Manaos, 10th June, 1874. 



Halesidota, Huhner. 



61. Halesidota seruba. 



Cliaridea seruha, Herrich-Schiiffer, Auss. Schm. 

 fig. 280. 

 Mamiva, Rio Pvu'us, 28th September, 1874. 

 This may be Sepp's Phalana citrina. 



62. Halesidota renone, n. sp. (PL III. fig. 3.) 

 Primaries above semitransparent whity-brown, crossed 



by wavy grey lines much as in the preceding species, but 

 with no oblique central line ; a more or less marked 

 blackish spot at the inferior extremity of the cell ; 

 secondaries hyaline white ; thorax brown, abdomen 

 creamy white ; primaries below less strongly marked than 

 above ; body sordid white : expanse, $ 1 inch 2 lines ; 

 2 1 inch 4 lines. 



