LEPIDOPTERA HETEROCERA. 303 



luteum, disco vittisque duabus nigris ; femora rosea, apice 

 nigra, antica incrassata ; tibice anticce brevissimce, cornu 

 apicali furcato armatce ; tibice posteriorea nigro fasciatce, apice 

 rosece; alee anticce albido conspersce ; posticce rosece. 



Female. Cinereous-brown. Palpi very short, black above, 

 rosy above towards the base. Antennae black. Thorax with two 

 rosy stripes, rosy along the fore border and at the base of each fore 

 wing, near which there are two black dots. Abdomen luteons, with 

 a black disk and a black stripe on each side ; a row of black dots on 

 each side beneath. Femora rosy above, with black tips ; fore femora 

 incrassated ; fore tibiae extremely short, terminating in a horny fur- 

 cate appendage, of which one fork is twice the length of the other ; 

 posterior tibiae rosy towards their tips, with black bands. Fore wings 

 with very numerous minute whitish speckles, which are mostly con- 

 fluent towards the base and towards the exterior border. Hind wings 

 rosy. Length of the body 8 lines; of the wings 22 lines. 



a. Lake Ngami. From j\lr. Anderson's collection. 



Aloa albistriga. 



Mas. Alba ; caput postice ochraceum ; palpi supra nigri ; antenna 

 nigrcB) serratce ; thorax antice subfulvescens, maculis quatuor 

 fuscis^ guttis duabus nigris ; abdomen luieum, fasciis abbre- 

 vioJis maculisque lateralibus nigris ; tarsi nigri, albo fasciati ; 

 alee anticce pallide cervince, strigis duabus discalibm, venis 

 fimbriaque albis, guttis tribus lineaque obliqua undulata 

 indistincta nigricantibus, costa lutea ; posticce maculis quatuor 

 marginalibus unaque discali nigricantibus. 



Male. White. Head dull ochraceous behind. Palpi black 

 above. Antennae black, serrated. Thorax with a slight fawn- 

 coloured tinge on the disk in front; a brown spot on each of the four 

 tegulae and a black dot on each of the hind tegulae. Abdomen 

 luteous above, with abbreviated black bands, and with a row of black 

 spots along each side. Tarsi and anterior tibiae black, the former 

 with white bands. Fore wings pale fawn-colour, with two white 

 streaks in the disk, with white veins and with a white fringe ; a 

 blackish dot near the base of the interior border and two at the end 

 of the discal areolet; an oblique undulating very indistinct blackish 

 line, which passes beyond the end of the areolet ; costa luteous. 

 Hind wings with a blackish spot in the disk and with four blackish 



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