neio Species and Forms o/Sphingidae. 309 



witli faint indications of two crenulated transverse lines and 

 a rudimentary third line before apex. Hind wing oclireous, 

 -witli a straight oblique line just beyond cell and a greatly 

 curved and indented line between this and the outer margin. 

 Outer margin crenulated, with white cilia between the veins. 

 Thorax reddish oclireous with dark reddish-olive sides. 



Fore wing below with dark spot between veins 2, 3 con- 

 spicuous, ground-colour reddish fawn. Outer area, especially 

 in apical portion, heavily marked with reddish freckling. 

 Hind wing below reddish ochreous, with first line well 

 defined, second curved line merged in the general reddish 

 freckling towards costa. 



Uab. Burmah. 



Type in Coll. Joicey. 



O.vi/amhulf/.v citrona, sp. n. 



Nearest to 0. sericeipennis, and dififers in the male clasp by 

 having a short terminal hook in place of a long finger-like 

 hook. Upper edge toothed as in sericeipennis, but finer and 

 no high projection before the terminal hook. The whole 

 clasp broader. The species stands between 0. sericeipennis 

 and 0. schaufftlhtvgeri. 



Fore wing paler than 0. sericeipennis or 0. schaiiffelhergeri, 

 and with a small spot at base and a similar spot only very 

 slightly larger at a short distance from base. Ground-colour 

 of wing pale fawn, with distal third darker. A wavy line 

 across the cell and sometimes duplicated. Discoidal dot 

 rather distinct. Four short black lines at tornus. Abdomen 

 unicolorous pale fawn, with a faint middle line. Hind wing 

 pale yellow, with oblique dark line across end of cell. A 

 dark marginal band and a wavy irrorated indistinct inner 

 line. A rather conspicuous black patch just before apex. 



JrJah. N. India, Sabatoo. 



'i'ype in Coll. Joicey. 



