244 
CATALOGUE OF 
Merinthus Populi, Meiq. Syst. Besch. 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 acuminatae, apud costam subrectae, mar- 
gine exteriore mediocriter obliquo valde dentieulato ; 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 anticee lineis transversis fasciisque anticis 
strigaque apud angulum interiorem obscurioribus ; posticce 
cervince , apud angulum interiorem pallidiores fuscoque notatce. 
, j 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. 1, 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, 
