LEPIDOPTERA HETEROCERA. 1753 
deeply pectinated, much longer than the thorax. Legs stout; hind 
tibie 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; verter albidus ; antenne albide, ramis fuseis ; 
ale nitentes, antice fasctis tribus latiusculis subundulosis pal- 
lide cinereis. 
Male. Fawn-colour, paler beneath. Vertex of the head 
whitish. Antenne 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. PHecaba? MeErasus. 
Corpus cervinum ; antenneé nigre ; ale fusce. 
Antarctia Metabus, Hubn. Verz. Schmett. 191, 1966. 
Phalena-Bombyx Metabus, Cram. Pap. Exot. i. 117, pl. 74, f. D. 
Previously mentioned as one of the Saturniide. See p. 1381. 
Surinam. 
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Genus PYDNA. 
Mas. Corpus sat gracile. Proboscis brevissima. Palpi 
validi, longiusculi, subtus dense pilosi, caput superantes. Antenne 
late pectinate. Abdomen alas posticas triente superans. Pedes 
validi; tibie postice calcaribus duobus longis apicalibus. Ale 
mediocriter late; antice apud costam recta, apice acuminate ; 
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. Antenne deeply pectinated, much longer than the tho- 
rax. Abdomen extending for about one-third of its length beyond 
the hind wings. Legs stout; hind tibie with two long apical 
spurs. Wings moderately broad. Fore wings straight in front, 
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