LEPIDOPTERA HETEROCERA. 1277 



Saturnia caecigena, Dakl, MSS. Boisd. Eur. Lep. Index Method. 

 49. Duponch. Suppl. God. Lep. France, iii. 107, pi. 10, 

 f. 1, 2. Herr.-Schceff. Samml. Eur. Schmett. Suppl. ii. 

 Text, 96, 44. 



Fiume. 



a, b. Europe. From M. Becker's collection. 



Group 2. 



Fcem. Antennae serratae, corporis triente breviores, dentibus 

 alternis minimis. Alae anticae macula minima vitrea ; postica ma- 

 cula parva vitrea, abdomen triente superantes. 



Female. Antennae serrated, not one-third of the length of the 

 body ; teeth alternately short and rudimentary. Abdomen extending 

 to two-thirds of the breadth of the hind wings. Fore wings with 

 a very small vitreous spot ; second inferior vein less than twice 

 further from the third than from the first. Hind wings with a small 

 vitreous spot; second inferior vein more than twice further from 

 the third than from the first. 



2. Perisomena semic^ca. 



Fcem. Rufo-cervina ; antenna nigrce ; abdomen subluteum ; al& 

 fascia indistincta fusees cente, macula vitrea fusco marginata. 



Female. Reddish fawn-colour. Antennae black. Abdomen 

 slightly luteous. Wings with a slender indistinct brownish band, 

 which extends from three-fourths of the length of the costa of the 

 fore wings to nearly two-thirds of the interior border of the hind 

 wings ; vitreous spot bordered with brown. Hind wings a little 

 paler than the fore wings. Length of the body 11 lines; of the 

 wings 38 lines. 



Port Natal. In Mr. Saunders' collection. 



Genus 14. HYPERCHIKIA. 



Corpus pilosum, sat robustum. Proboscis non conspicua. 

 Palpi brevi, pilosi, caput non adaequantes. Antennae thorace multo 

 breviores. Pedes breves, validi, pilosi ; tibiae posticae calcaribus 

 duobus minutis apicalibus. Alae sat latae ; anticae supra non ocel- 

 latae, nonnunquam subangustae et hamatae, apud costam convexae; 

 posticae abdomen superantes, supra saepissime ocellatae. Mas. — 

 Antennae mediocriter pectinatae. Fcem. — Antennae simplices, 



