LEPIDOPTERA HETEROCERA. 
1753 
deeply pectinated, much longer than the thorax. Legs stout; hind 
tibiae with four rather long spurs. Wings broad. Fore wings 
straight in front, acuminated at the tips, hardly convex and but 
slightly oblique along the exterior border ; second inferior vein 
nearer to the first than to the third ; third nearer to the second than 
to the fourth. Hind wings hardly extending as far as the abdomen. 
1. Phecada confinis. 
Mas. Cervina ; vertex albidus ; antennce albidce , ramis funds ; 
alee nitentes,antic(E f asciis tribus latiusculis subundulosis pal- 
lide cinereis . 
Male. Fawn-colour, paler beneath. Vertex of the head 
whitish. Antennae whitish, with brown branches. Wings shining. 
Fore wings with three rather broad slightly undulating pale grayish 
bands. Length of the body 9 lines ; of the wings 28 lines. 
a. Rio Janeiro. From Mr. Stevens' collection. 
2. Phecada? Metabus. 
Corpus cervinum ; antennce nigree ; alee fuscce. 
Antarctia Metabus, H'ubn. Verz. Schmett. 191, 1966. 
Phalaena-Bombyx Metabus, Cram. Pap. Exot. i. 117, pi. 74, f. D. 
Previously mentioned as one of the Saturniidcs. See p. 1381. 
Surinam. 
Page 1101 
Genus PYDNA. 
Mas. Corpus sat gracile. Proboscis brevissima. Palpi 
validi, longiusculi, subtus dense pilosi, caput superantes. Antennae 
late pectinatae. Abdomen alas posticas triente superans. Pedes 
validi ; tibiae posticae calcaribus duobus longis apicalibus. Alae 
mediocriter latae ; anticae apud costam rectae, apice acuminatae ; 
margine exteriore subobliquo. 
Male. Body rather slender. Proboscis very short. Palpi 
stout, rather long, extending some distance beyond the head ; 
thickly pilose beneath; third joint elongate, not half the length of 
the second. Antennae deeply pectinated, much longer than the tho- 
rax. Abdomen extending for about one-third of its length beyond 
the hind wings. Legs stout; hind tibiae with two long apical 
spurs. Wings moderately broad. Fore wings straight in front, 
