Lepidoptera from Tropical Africa. 541 



Expanse 32 ram. 



Hab. Malange, Portuguese W. Africa. 



Type iu my coUectiou. 



ThyrididaB. 



Dysodia hyalottjpa, sp. n. 



$ . Primaries ochreous grey, mixed with red on the fold, 

 beyond the cell a fiery-red square spot divided into four 

 small squares by grey lines ; below this on the fold an 

 obscure ochreous patch. Secondaries with base metallic 

 crimson, mixed with fine dark cross-lines; a dark brown 

 patch at anal angle, above which is a large central almost 

 reniforni hyaline patch, darkly edged all round, followed by 

 several ochreous spots, the lowest being large, the two above 

 it smaller; termen broadly dark reddish brown. 



Expanse 20 mm. 



Hab. Gunnal, Portuguese W. Africa j, December. 



Type in my collection. 



Iridesmiodes cymoeasticha, sp. n. 



(J . Head reddisli, thorax and abdomen pearly white. 

 Both wings pearly white, with a series of about seven fine 

 lilac-grey wavy lines right across each wing. Primaries 

 with the costa reddisli for the basal three-quarters. 



Expanse 30 mm. 



Hab. Lokoja District (100 miles north). 



Type in my collection. 



Near ansoryei, Warren. 



Iridesmiodes phricosticha, sp. n. 



? . Head and collar reddish, thorax and abdomen pearly 

 white. Both wings translucent pearly white, with a series of 

 wavy greyish-ochreous lines. Primaries with the postmedian 

 line accentuated, the orbicular rather marked ; the sub- 

 terminal line accentuated, double, and filled in with bright 

 pink in both wings, these are followed by a marked dark 

 series of internervular dashes, beginning in the primaries in 

 two subapical dots. Costa of primaries reddish. 



Expanse 32 mm. 



Hab. Lokoja District (100 miles north). 



Type iu my collection. 



