LEPIDOPTERA HETEROCERA. 
113 
subserrato setosae, fere filiformes, thorace non longiores. Thorax 
cristatus. Abdomen oblanceolatum, apiee vix fasciculatum, thorace 
valde longius. Pedes graciles, vix pilosi ; tibiae posticae calcaribus 
quatuor mediocriter longis. Alae angustae, apud marginem exte- 
riorem excavatae ; anticae apice truncatae, margine exteriore perob- 
liquo. 
Sphinx, p., Fabr. 
Enyo, p., et Hemeroplanes, p., Hubn. Verz. Schmett. 132, 133. 
Tbyreus, p., Harris. 
Body stout, elongate-fusiform. Head obtuse. Proboscis mo- 
derately long. Palpi short and stout. Antennae rather slender, 
nearly filiform, very minutely serrate-setose, not longer than the 
thorax. Thorax crested. Abdomen oblanceolate, hardly tufted at 
the tip, very much longer than the thorax. Legs slender, hardly 
pilose ; hind tibiae with four moderately long spurs. Wings nar- 
row, excavated along the exterior border. Fore wings hardly con- 
vex in front, truncate at the tips, very oblique along the exterior 
border; interior angle somewhat hooked; second inferior vein not 
further from the third than from the first ; third more than thrice 
further from the fourth than from the second. 
South America. 
1. Enyo lugubris. 
Cinereo-fusca ; abdomen e maculis testaceis trivittatum ; alee an- 
tic (B fuse o subnebulosce , venis ex parte testaceis , f asciis duabus 
( una recta , altera undulata submar ginali ) testaceis fusco mar- 
ginal is, gutta discali nigra testaceo marginata ; posticce apud 
costam pallidiores , guttis marginalibus nigricantibus . 
Var. (3. Ferruginea , subtus rufescens ; alee cinereo-fusco subnebu- 
losce. 
Var. y. Nigro-fusca ; alee posticce striga apud marginem inte- 
riorem albido-flava. 
Sphinx lugubris, Drury , Ins. i. 61, pi. 28, f. 2. Fabr. Sp. Ins. ii. 
140, 4 ; Mant. Ins. ii. 92, 4 ; Ent. Syst. iii. 1 , 356, 5 . Gmel . ed. 
Syst. Nat. i. 5, 2372, 50. Abbot fy Smith , Nat. Hist. Lep. Im\ 
Georg, i. pi. 59. 
Thyreus lugubris, Harris , Amer. Journ. Sci. xxxvi. 
Sphinx Fegens, Cram. Pap. Exot. iii. 56, pi. 225, f. 3. 
Surinam. 
