LEPIDOPTERA HETEROCERA. 
243 
straight along the costa ; exterior border slightly oblique, hardly 
undulating, slightly denticulated ; interior border very slightly con- 
cave towards the interior angle. Hind wings very convex on the 
costa towards the tip, which is truncated ; exterior border mode- 
rately denticulated. Male . — Antennae slightly pectinated. 
3. Smerinthus Populi. 
Pallide cinereus ; alee lineis transversis undulatis fasciisque fuscis, 
maculis ciliaribus albis ; anticce litura discali alba ; posticce 
basi rufo-ferruginece. 
— , Albin , Ins. pi. 37, f. C. Merian , Ins. Eur. iii. pi. 
37. Roes. Ins. iii. 187, pi. 30. Wilk. Pap. ii. pi. B, C. Am- 
mir. Ins. pi. 10. Geoffr. Ins. Par. ii. pi. 81, f. 3. Deg. Ins. 
i. 113, pi. 8, f. 5; ii. 1, 175. Scheeff. Icon. pi. 100, f. 5, 6. 
Sepp. Ins. i. 1 , 3, pi. 1 . Engr. Pap. dEur. iii. 106, pi. 114, 
116, f. 162. 
Sphinx Populi, Linn . Syst. Nat. i. 2, 797, 2; Faun. Suec. 286, 
1084; Mus. Lud. Ulr. 342, 2. Cram. Pap. Exot. iv. 230, pi. 
398, f. A. Scop. Ent. Cam. 183, 466. Fabr. Sp. Ins. ii. 141, 
8; Mant. Ins. ii. 93, 8; Ent. Syst. iii. 1, 357, 9. Esp. 
Schmett. ii. 34, pi. 2, 177 ; pi. 22, f. 2 ; pi. 36, f. 10. Gmel. 
ed. Syst. Nat. i. 5, 2372, 2. Hubn. Spiling. 99, 2, pi. 15, f. 
74; Larv.Lep. ii. Sphing. iii. Leg. D, a, f. 1. Wien. Verz . 
41, 4. Illig . N. Ausg. dess. i. 7, 4. Schceff. Icon. Nom. Panz. 
110. Bork. Eur. Schmett. ii. 106, 150, 181, 2 ; Rhein. Maq. 
i. 325, 150, 649, 2. Mull. Zool. Ban. 116, 1335 ; Faun. 
Fridr. 37, 342. Hufn. Tab. Berl. Mag. ii. 2, 178, 6. Fuessl. 
Schw. Ins. 32, 612 ; A. Mag. i. 2, 263 ; N. Mag. iii. 147, 154, 
162, 163. Rossi , Faun. Etr. ii. 160, 1047 ; Ed. Illig. 254, 
1047. Vieweg , Tab. Verz. 3, 2. Schr. Faun. Boic. ii. 1 , 222, 
1383. Lang. Verz. ii. 64, 536, 537. Brahm , Ins. Kal. 31*X 
198. Schwarz , Raup. 630, 748. Ochs. Schmett. von Eur. ilr 
252, 3. Donov. Brit. Ent. viii. pi. 241. 
Polyptychus Populi, Hubn. Verz. Schmett. 141, 1517. 
Smerinthus Populi, God. Hist. Nat. Lep. Fr. iii. 71, pi. 20, f. 3. 
Steph. III. Brit. Ent. Haust. i. 112, 2; Cat. Brit. Lep. 262. 
Boisd. Ind. Meth. 49, 398. Westw. H. Brit. Moths, i. 8, pi. 
l,f. 4—6. 
