244 CATALOGUE OF 



Merinthus Populi, Meig. Syst. Besck. Eur. Schmetl. ii. 150, 3, pi. 



78, f. 3,4; Handb. 101, 19. 

 Var.P Smerinthus Tremulae, Fischer, Oryctogr. Mosc. pi. 10, f. 3. 



Treits. SuppL x. 140. Dup. Hist. Nat. Lep. Fr. Suppl. ii. 29, 



pi. 2, f. 2. Boisd. Ind. Meth. 49, 399. 



Moscow. 



a — t. England. From Mr. Stephens' collection 

 v. England. From Mr. Foxcroft's collection. 

 u — z. England. 

 aa, bb. Europe. From M. Becker's collection. 



Group 4. 



Proboscis obsoleta. Palpi brevissimi. Pedes breves, validi ; 

 tibiae posticae calcaribus quatuor abbreviatis. Alae mediocriter 

 longae lataeque ; anticae non acuminata?, apud costam subrectae, mar- 

 gine exteriore mediocriter obliquo valde denticulato ; posticae apice 

 rotundatae, apud costam non dilatatae, margine exteriore subdenticu- 

 lato. Mas. — Antennae subpectinatae, thorace multo longiores. 

 Fcem. — Antennae simplices, thorace paullo longiores. 



Proboscis obsolete. Palpi very short. Legs short, stout ; hind 

 tibiae with four short spurs. Wings moderately long and broad. 

 Fore wings not acuminated, nearly straight in front ; exterior bor- 

 der moderately oblique, strongly denticulated, and especially so at 

 a little in front of the middle ; interior border very slightly concave 

 towards the interior angle. Hind wings not convex towards the 

 tip of the costa, rounded at the tips, slightly denticulated along the 

 exterior border. Male. — Antennae slightly pectinated, much longer 

 than the thorax. Female. — Antennae simple, a little longer than 

 the thorax. 



4. Smerinthus Quercus. 



Albido-cervinus ; alee anticce lineis transversis fasciisque anticis 

 strigaque apud angulum interiorem obscurioribus ; posticus 

 cervince, apud angulum interiorem pallidiores fuscoque notatce. 



, Engr. Pap. d'Eur. iii. 117, pi. 120, f. 165 ; 125, pi. 



122, f. 165. 

 Sphinx Quercus, Fabr. Sp. Ins. ii. 140, 3; Mant. Ins. ii. 92, 3 ; 



Ent. Syst. iii. I, 356, 3. Wien. Verz. Schmett. 41, pi. 1, a, f. 



1, a, 1, b ; pi. 1, b, f. 1. Esp. Schmett. ii. 164, pi. 19 ; pi. 26, 



f. 1. Gmel. ed. Syst. Nat. i. 5, 2372, 48. Hubn. Sphing. 99, 



