ADDENDA. 7ti<> 



with a few red marks on the veins. Hind wings white, with a small 

 blackish mark by the interior angle. Length of the body 7 lines ; 

 of the wings IS lines. 



a. Interior of South Africa. Presented by the late Karl of Derby. 



Genus METARCTIA. 



This genus and Polymona are distinguished by the same cha- 

 racters from Sciathos, and the structure of Polymona is verjr different 

 from that of Mctarctia : — 



Abdomen alas posticas vix superans. — Polymona. 

 Abdomen alas posticas dimidio superans. — Metarcita. 



Corpus loDgum, subcylindricum. Proboscis brevissima. Palpi 

 porrecti, subnudi, mediocriter longi, caput paullo superantes ; arti- 

 culus lus brevis ; 3us longiconicus, 2i dimidio breviov. Antenna' 

 thorace paullo longiores. Abdomen alas posticas plus dimidio 

 superans. Pedes validi, lougiusculi ; femora pilosa ; tibia? poslica? 

 calcaribus apicalibus longis. Alae angustae, posticae apud costam 

 convexae. Mas. — Antennae mediocriter pectiuata?. Farm. — An- 

 tennae subpectinatae. 



Body long, nearly cylindrical. Proboscis very short. Palpi 

 porrect, moderately long, almost bare, extending a little beyond the 

 head; first joiut short; third elongate-conical, not half the length 

 of the second. Antennae rather longer than the thorax. Abdomen 

 extending for two-thirds of its length beyond the hind wings. Legs 

 stout, rather long ; femora pilose ; tibiae and tarsi bare ; hind tibiae 

 with long apical spurs. Wings narrow. Fore wings straight along 

 the costa, rounded at the tips, very oblique along the exterior bor- 

 der, which forms a continuous curve with the interior border; second 

 inferior vein a little further from the third than from the first ; third 

 much further from the fourth thau from the second. Hind wings 

 convex in front. Male. — Antennae moderately pectinated. Female. 

 — Autennae very minutely pectinated. 



1. Metarctia rcfescens. 



Mas et fcem. Fetr ugine a ; caput, pectus, abdomen et femora 

 rufescentia ; tibicc tarsique nit/ricantia ; aLe antiac macula 

 discali nitjricante, subtus rufc&centes ; posticcc patt'ulc rufm. 

 Fcem.— Abdomen niyro fasciatum, subtus n'ujro bhittatum. 



Ferruginous. Head, pectus, abdomen and femora reddish. 

 Tibiae and tarsi blackish. Fore wings with an indistinct blackish 



