new African Heterocera. 257 



Osica verulama, sp. n. 



$ . Head, thorax, and primaries dirty chocolate-brown ; 

 abdomen yellowish. Primaries with the veins slightly darker 

 than the ground-colour, cell closed by a dark fine curved dash ; 

 posterior line fine, dark-edged externally, finely somewhat 

 paleiy, strongly crenulate, followed by an internervular row 

 of dashes more or less crescentic in shape ; term en scalloped, 

 finely dark : secondaries uniform spotless yellowish cream- 

 colour. 



Expanse 48 mm. 



Ilab. Verulam, Natal. 



Type in my collection. 



Limacodidae. 

 Thosea catori, sp. n. 



<$ . Head, thorax, and abdomen dull brownish. Primaries 

 dull madder-brown, with a pale slightly excurved postmedian 

 line, darkly and finely edged internally ; beyond this the area 

 is paler, with a fine dark excurved subterminal line; the whole 

 surface is finely speckled with pale grey, caused by largish 

 superimposed scales which are pale grey with dark tips : 

 secondaries uniform pale brownish. 



Expanse 22 mm. 



Hah. Northern Nigeria (above Lokoja). 



Type in my collection. 



Parasa smaragdina, sp. n. 



$ . Palpi deep cream-colour, laterally with a rusty patch ; 

 head greenish ; antennas pale brown ; thorax bright green ; 

 abdomen yellowish. Primary with basal and terminal areas 

 pale brown, all the rest of the wing bright greenish, invading 

 the terminal brown in two deep curves from vein 1 to 3 and 

 from below 5 to 7, and again in a lesser curve on the costa ; 

 fringes pale brown, intersected finely with dark brown at the 

 veins, and outer half darker also : secondaries pale clear 

 straw-colour, with a very defined narrow terminal darker 

 band of the ground-colour. 



Expanse 27 mm. 



Hah. Northern Nigeria, Lokoja district. 



Type in my collection. 



Ann. & Mag. N. Hist. Ser. 8. Vol. ii. 18 



