EUCEREOX. 497 



Hah. Beazil, Stio Paulo (Jones), Rio Janeiro, Exj'). 42 inillini. 

 Type in Coll. Druce. 



1092. Eucereon sylvius. 



Sphinx Sylvius, Stoll, Suppl. Cram. pi. 14. ff. 1-5 (1790); Kirby, Cat. 



Het. p. 200. 

 Eiicereon lufulentum, Moschl. Verb, zool.-bot. Gres. Wien, xsvii. p. 651 •, 



pi. 8. f. 18 (1877) ; Kirby, Cat. Het. p. 199. 



cJ . Head and thorax brown and fuscous ; back of head with t'^ o 

 orange spots; metathorax with two whitish spots ; coxse pale crimson; 

 abdomen crimson, the first four segments with dorsal brown patches 

 decreasing in size, the terminal segment black ; lateral black fascise ; 

 the ventral surface pale crimson ; the last three segments blackish. 

 Fore wing grey-brown, the basal area with two series of spots belo\Y 

 costa and streaks above and below vein 1 ; an antemedial maculate 

 line angled on vein 1 ; a round spot in cell ; two spots in end of cell, 

 and a series beyond it, becoming short streaks between veins 5 and 

 3, then sharply bent inwards to origin of vein 2 ; two small spots 

 beyond the cell above veins 5 and 6 ; a postmedial series of wedge- 

 shaped marks reduced to spots between veins 3 and 5 ; a subterminal 

 series of spots, the one at tornus large, and a terminal series of points 

 on the veins. Hind wing fuscous black, the interspaces in, below, 

 and beyond end of cell semihyaline. Underside of fore wing with 

 whitish spot in upper angle of cell, two beyond the angle, and two 

 nearer termen between veins 3 and 5. 



Hind wing with veins 3, 4, 5 from angle. 



Hah. Surinam, type f lutulenttim in Coll. Staudinger ; Amazons, 

 R. Jurua (Trail), 1 <5 , Santarem (Bates), 1 $ . Exj). 36 millim. 



Larva. Clothed with black and grey hair, thicker and longer 

 towards extremity, giving it a triangular shape ; the 1st somite with 

 a pair of thick yellow tufts. Food-plant, Orange. Cocoon grey- 

 brown. 



1093. Eucereon pseudarchias, n. sp. 



Eucereon archias, Druce Biol. Centr.-Am., Het. i, p. 85 (nee Stoll). 



Head and thorax dark brown variegated with black ; neck with 

 some crimson or orange ; coxae crimson ; abdomen crimson, with 

 dorsal triangular black patch on basal segments, lateral black fasciip, 



and the terminal segment black. Fore wing brown ; basal black 

 streaks on costal and inner areas ; two points below the cell and a 

 VOL. I. 2 k 



