350 SPHINGID^]. 



no grey streak R 1 ; no subapical brown 

 spot SC^-R 1 . No brown dorsal spots on 



abdomen 15. 



One or other of these markings, or all, 

 distinct 17. 



15. Underside of abdomen blackish-brown, 



with whitish-grey mesial patches ; yellow 



area of hind wing underside sharply [p. 387, 



denned, restricted M. sylvia (Boisd.), 



Underside of abdomen greyish-yellow or 

 tawny 16. 



16. Side-tuft of third abdominal segment [(Butl.), p. 388. 



white M. corythus luteata 



Side-tuft buff, extreme tip only white. . . . M. c. corythus (Walk.), 



17. Fore wing upperside with a costal apical [p. 387. 



grey area strongly contrasting with the 

 brown scaling behind it ; R l not grey 



behind the black subapical spot SC 5 — R 1 . M. saga (Butl.), p. 384. 

 No such grey area, or R 1 streaked with grey 

 behind the subapical spot 18. 



18. Antemedian band of fore wing filled in with 



black in posterior half only ; underside [(Hamps.), p. 386. 



of wings blackish mummy-brown M. semifasciata 



Antemedian band not filled in, or entirely 

 black 19. 



19. Antemedian band and discal lines more or 



less merged together ; palpus whitish- [p. 385. 



grey M. glaucoptera (Butl.), 



Antemedian band and discal lines separated 

 by a more or less greyish interspace .... 20. 



20. Vein R 1 grey ; yellow band of hind wing [(Boisd.), p. 383. 



not obviously curved M. p. prometheus 



Vein R 1 not grey ; or yellow band of hind 

 wing incurved 21. 



21. Vein R 1 grey ; palpus dirty cinnamon-grey, [& Jord., p. 384. 



not whitish-grey M . variegatum Roths. 



Vein R l not grey, or palpus greyish -white. 22. 



22. Antemedian band of fore wing filled in with 



black, its distal edge straight; median 



interspace grey, band-like ; second discal 



line dilated behind R 1 ; palpus greyish- [p. 379. 



white; abdomen upperside olive-brown . M.fringilla (Boisd.), 

 Like fringilla, but fore wing upperside, 



outside the grey post-discal line, with 



a black line which is as broad as the [p. 382. 



second discal line M . divergens (Walk.), 



Not as above 23. 



23. Disc of fore wing underside and sternites 



of abdomen bright tawny, or the latter 



black with tawny spots 24. 



Underside less bright tawny, more cinna- 

 mon ; antemedian band of fore wing very [p. 378. 

 prominent M. sitiene (Walk.), 



24. Hind wing upperside : black marginal 



band reaching anal angle 25. 



Black marginal band not reaching anal 



angle, but connected with it by a diffuse [p. 376. 



patch M . vicinum Jord., 



25. Small species 26. 



