LEPIDOPTERA HETEROCERA. 
1721 
veins united at the base; third near the second, and more than 
twice further from the fourth. Length of the body 9 — 10 lines ; of 
the wings 19 — 22 lines. 
a. Cape. From M. Drege’s collection. 
b . Port Natal. From M. Gueinzius’ collection. 
Genus BALACBA. 
Fam. Corpus robustum, cylindricum, longissimum. Palpi 
brevissimi ; articulus 3us conicus, minimus. Antennae simplices, 
corporis dimidio breviores. Abdomen alas posticas longissime su- 
perans. Pedes sat validi ; tibiae posticae calcaribus duobus apicali- 
bus parvis. Alae anticae longae, angusta?, apud costarn rectae, apice 
rotundata?, margine exteriore perobliquo; posticae breves, antice 
dilatatae. 
Female. Body stout, cylindrical, very long. Palpi very short ; 
third joint conical, very minute. Antennae simple, less than half 
the length of the body. Abdomen extending very far beyond the 
hind wings. Legs rather short ; hind tibiae with two minute apical 
spurs. Fore wings long and narrow ; discal fold very distinct ; first 
and second inferior veins contiguous at the base ; submedian vein 
undulating. Hind wings short, dilated in front; first and second 
inferior veins united at the base ; third much nearer to the second 
than to the fourth. 
1. BaLACRA CnERULEIFASCIA. 
Fcem. Lcete rufa ; caput fusco fasciatum ; palpi apice nigri ; 
antenna nigra ; thorax fascia antica vittisque tribus fuscis ; 
abdomen f asciis nigro-cganeis ; tibice supra tarsique nigri- 
cantia ; alee antica rvfo-cervina , guttis basalibus late rufis 
maculisque sex limpidis ; postica pallide rufa. 
Female. Bright red. Head w r ith a brow r n band between the 
antennae. Palpi with black tips. Antennae black. Thorax with a 
brown band in front and with three brown stripes. Abdominal 
segments with blackish blue bands. Tibiae above and tarsi blackish. 
Fore wings reddish fawn-colour, with three bright red marks at the 
base, and with six limpid spots, one on the discal areolet, one in 
front of the first superior vein, one on the discal fold beyond the 
areolet, one in front of the second inferior vein, one in front of the 
third inferior vein, and one between the fourth inferior vein and the 
submedian vein ; third inferior vein as near to the fourth as to the 
