6 TEE LEPIDOPTERA OF CEYLON. 



before end of the cell, fourth, at one-third beyond the cell from below the third, fifth 

 from end of the cell ; discocellular inwardly oblique, bent outward at one-third from 

 lower end, radial from above the angle ; cell long, upper end extending beyond half 

 the wing ; middle median at one-fifth and lower at three-fifths before end of the 

 cell; submedian curved towards the end and emitting a lower branch inward at 

 one-third from its base : hindwing angularly convex at apex ; exterior margin even, 

 slightly concave beyond the middle ; costal vein slightly recurved, extending to 

 apex ; a short oblique subcostal spur emitted at nearly one-half from its base, and 

 joined to costal ; two subcostal branches at a short distance beyond end of the cell ; 

 discocellular outwardly oblique, upper end concave, radial from the angle ; cell short, 

 broad ; middle median at one-fifth and lower at two-fifths before end of [the cell ; 

 submedian and internal vein recurved. Body large, bluntly fusiform ; head large 

 and broad ; palpi laterally adpressed, apex convex in front ; antennae short, very 

 thick, serrated, terminating in a slender bristle ; legs very thick ; tarsi short, stout, 

 numerously spined. 



ACHERONTIA LACHESIS (Plate 77, Fig. 1, 1 a, I, larva). 



Spldnx Lachesis, Fabricius, Eat. Syst. Sappl. p. 434 (1798). 



Acherontia Morta, Hiibner, Verz. bek. Schmett. p. 140 ; Butler, Trans. Zool. Soc. 1876, p. 598, 



pi. 92, fig. 9. 

 Sphinx Atropos, Cramer, Pap. Exot. iii. pi. 137, fig. E ; Gray in Cuvier's Anim. Kingdom, pi. 137, 



f. 4 {nee Linn.). 

 Acherontia Satanas, Boisd. Spec. Gc'n. Lep. PajT. pi. 16, f. 1 (1836) ; Moore, Catal. Lep. Mus. E. I. C. 



i. p. 267, pi. 9, f. 2, 2a ; Boisd. Spec. Gen. Lep. Het. p. 7. 

 Acherontia Lethe, Westwood, Cabinet of Orient. Entom. p. 187, pi. 42, f. 2 (1847) ; Walker, Catal. 



Lep. Het. B, M. viii. p. 235. 



Forewing blackish chestnut-brown, ochreous and grey speckled, with transverse 

 prominent blackish irregularly undulated basal band, ochreous-bordered antemedial 

 zigzag lines, and grey-bordered postmedial sinuous lines ; also less defined confluent 

 grejdsh and ochreous subapical and submarginal lines ; middle of the wing with 

 irregular black sinuous streaks and oblique fasciee extending to outer margin ; a 

 greyish-white dot at end of the cell ; an ochreous-yellow hairy patch at base of 

 posterior margin : hindwing ochreous-yellow, with three broad black sinuous- 

 bordered bands. Thorax, head, palpi, and legs blackish chestnut-brown ; thorax 

 grey speckled, tegulee and metathoras black streaked, middle of thorax more or less 

 grey, red bordered, black spotted and cross streaked, these markings pale bordered ; 

 abdomen with broad black segmental bands and lateral yellow bands, the latter 

 decreasing towards apex, a broad dark slaty-blue dorsal band; legs with yellow 

 bands. 



Expanse, c? 4, ? 5 inches. 



