( 100 ) 



ri'iicliiii^ vwd of tiliiii, Idiijz; terminal sjiur ol' liiiidtiliia more tliaii two-thirds the 

 length of the first tarsal segment, little shorter than the tibia ; claw-segmeut 

 as in Euri/glottis. Antenna of ? similar to that of S, compressed, with long 

 fascicnlated ciliae. 



S. Tenth tergite long, narrow, jioiuted, curved downward, carinate beneath ; 

 sternite also elongate, slightly narrowed to the end, which is rounded. (Uasper 

 witliont jiatch of modified scales ; harpe obtusely triangular, not prominent, densely 

 covered with half-erect scales, wliicli conceal the outline of the harpe. Penis-funnel 

 ventrally ending in a short, rounded lobe ; penis-sheath armed with a strong, conical, 

 ai)ical tooth, which points dextro-laterad and a little distad, and is sliorter than the 

 diameter of tlie penis-sheath. 



?. Vaginal plate (PI. XXI. f. 17) much folded in front of the large vaginal 

 cavity ; the postvaginal part smooth, rather stronger chitinised than the proximal 

 part. 



Early stages not known. 



Ilab. North India. 



One species. 



73. Apocalypsis velox. 



*A2}ocai>ipsh vdoj: Butler, Truiu. Zool. Soc. Loud. ix. p. 641 (]877) (Darjiling ;— coll. 

 Staudinger) ; Moore, De-ici: Lej>. Atkins, p. 5 (187'.)) ; Kirby, Cat. Lep. Hit. i. p. 686. n. 1 

 (1892) (Darjiling) ; Hamps., in Blanf., Fauna Brit. India, Moths i. p. 107. u. 171. f. 62 

 \S) (189vi) (Sikhim ; Khasis) ; Dudg., Journ. Bombay N. H. Soc. xi. p. 416. n. 171 (1898) 

 (" not seen"). 



S ? . The similarity between this Indian insect and the American Eiiri/c/lottis 

 a per is surprisingly close as regards the pattern of the forewing. 

 The distal margin of the forewing is slightly undulate in the ? . 

 Hah. North India : Sikhim ; Assam. 

 In the Tring Museum ^ $$,2 ? ? from : Khasia Hills, Assam. 



XXIII. PSEUDODOLBINA.— Typus : Jo. 



Zoiiilia Walker, List Lej). Lis. B. M. viii. p. 195 (1856) (partim ; type: riridcscens). 



Dolba, Butler («o« Walker, 1856), Trans. Zool. Soc. Loud. ix. p. 612 (1877). 



Pseudosphinx, id. {non Burmeister, 1856), Illustr. Typ. Specim. Lep. Hct. B.M. v. p. 16 



(1881) ; Hamps., in Blanf., Fauna Brit. India, Moths i. p. 104 (1892) ; id.. I.e. iv. p. 463 (1896) 



(^ = Pseudodiilhina). 

 Hyloicus, Kirby (non Hlibner, 1822), Cat. Lep. Ilel. i. p. 694 (1892). 

 Pseudodolhiiui Rothschild, Nov. Zool. i. p. 27 (1894) (type : reloxiiui^fo). 



S ? . Closely allied to Apocalypsis. Eye lashed. Antenna of ? almost 

 cylindrical, with the basal rows of fasciculated ciliae vestigial. First segment 

 of hindtarsns shorter than tibia, not longer than segments 2 to 5 together, twice 

 as long as long terminal spur of hindtibia. 



$. Tenth tergite elongate, tapering to end, which is somewhat obtuse 

 (PI. XXVIII. f. 28) ; sternite much broader, triangular, the sides turned upwards, 

 hence the under surface convex, apex more or less distinctly sinuate (PL XXVIII. 

 f. 29). Clasper without patch of modified scales ; inner surface covered distally 

 with hair-scales which lean basad ; harpe covered with suberect, short scales, 

 except at end. Penis-sheath armed with a single, long, pointed tooth which is 

 directed dextro-laterad, pointing somewhat proximad (PI. XXVIII. f. 45. 46). 



