LEPIDOPTEEA HETEROCERA. 113 



suhserrato setosae, fere filiformes, thorace non longiores. Thorax 

 cristatus. Abdomen oblanceolatum, apice vix fasciculatum, thorace 

 valde loiigius. Pedes graciles, vix pilosi ; tibiae posticae calcaribus 

 quatuor mediocriter longis. Alae angustae, apud margin em exte- 

 riorem excavatae ; anticas apice truncatae, margine exteriore perob- 

 liquo. 



Sphinx, p., Fair. 



Enyo, p., et Hemeroplanes, p., H'dbn. Verz. Schmett. 132, 133. 



Thyreus, 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 interior 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 lugubkis. 



Cinereo-fusca ; abdomen e maculis testaceis trivittatum ; alee an- 

 ticce fusco subnebulosce, venis ex parte testaceis, fasciis duabus 

 (una recta, altera undulata submarginali) testaceis fusco mar- 

 ginatis, gutta discali nigra testaceo marginata; posticae apud 

 costam pallidiores, guttis marginalibus nigricantibus . 



Var. /3. Ferruginea, subtus rufescens ; alee cinereo-fusco subnebu- 

 losa?. 



Var. y. Nigro-fusca ; alee posticce striga apud marginem inte- 

 riorem albido-fiava. 



Sphinx lugubris, Drury, Ins. i. 61, pi. 28, f. 2. Fabr. Sp. Ins. ii. 



140, 4 ; Mant. Ins. ii. 92, 4 ; Eat. Syst. iii. 1, 356, 5. GmeL ed. 



Syst. Nat. i. 5, 2372, 50. Abbot Sr Smith, Nat. Hist. Lep. Ins. 



Georg. i. pi. 59. 

 Thyreus lugubris, Harris, Amer. Journ. Sci. xxxvi. 

 Sphinx Fegens, Cram. Pap. Exot. iii. d6, pi. 225, f. 3. 

 Surinam. 



l3 



