404 Mr. A. G. Butler on a Collection of 



Family 18. Acontiidae. 



Genus 54. Acontia, Ochsenheimer. 



69. Acontia formosa, u. sp. 



Primaries creamy white, sericeous ; a subbasal mustard- 

 yellow arched band, whitish within the discoidal cell, and 

 interrupted by a large dusky spot upon the inner margin at 

 base ; a minute rounded pale grey spot, edged with dark grey 

 towards the end of the cell, and immediately beyond the cell 

 a larger similar spot, between them an oblong olive-green 

 spot ; a broad discal band widening from the costa to the inner 

 margin, olive-green internally, olive-brown and mustard-yellow 

 externally, traversed by two transverse, irregular, interrupted 

 plumbaginous lines, and interrupted at base of second median 

 interspace by a hastate creamy whitish spot, uniting at its 

 apex with the ground-colour : secondaries pale greyish white 

 with brassy reflections, especially round the margins ; fringe 

 creamy white : head and thorax white, frons and palpi sordid 

 yellow, antennae dull brown ; abdomen silky testaceous. 

 Primaries below pale grey, with the costa and outer margin 

 pale testaceous ; a broad dark grey discal band, widest on 

 costa ; a triangular dark grey spot, edged with whitish, placed 

 across the discocellulars ; inner margin broadly white ; secon- 

 daries as above : body below white. Expanse of wings 

 11 lines. 



Natal. 



Family 19. Erastriidae. 



Genus 55. Erasteia, Ochsenheimer. 

 70. Erastria qfricana, Felder. 



Natal (three examples). 



Can this be the Microphysa decissima of Walker ? 



Family 20. Anthophilidse. 



Genus 56. Microphysa, Boisduval. 



71. Microphysa abscissa, Walker. 



Natal. 



Natal. 



Family 21. Plusiidse. 



Genus 57. Plusia, Ochsenheimer. 



72. Plusia aurifera, Hiibner. 



