( 200 ) 



large, lari;er tluui tlie costal fjiitcb. The 6 is tbe most uuit'ormly yellow sjjecies 

 of tbu liido-Malayau Oxi/ambulyx ; the ? is darker than the 6 . In both sexes the 

 distal snbiuediau lino crosses M at the ba?e of M', the jiortion of the lino within- 

 the cell being less oblique than in macidifeiv, schaujf'elhcrfferi and others, not 

 extending distad to the lower angle of the cell. 



S ■ The eighth sternite of the abdomen is not essentially different from that 

 of A. scliaujelberycn (Pi. XXII. f. 2'J). The harpe (Pi. XXXI. f. 14) has a blunt, 

 concave distal process (jpv), the mesial ridge {cm) is short, and is produced into 

 a heavy tooth ; the ridge connecting this tooth with the distal process (pv) is 

 irregularly dentate. The peuis-sheatb (PI. XXX. f. 7) bears no armature besides the 

 dorsal process, which, being obliejuely truncate in a ventro-dorsal direction, is 

 sharply pointed. The tenth sternite (PI. XXIII. f lUj is very much broader 

 mesinlly than in gericeipemds and schaujfi'lbi>f(/iiri, and has, as in these species, 

 no mesial sinus. 



?. Vaginal plate (PI. XV. f. A) with a high ridge before the cavity, the ridge 

 deeply sinuate, the sinus widened proximally, the lobes of the ridge thus formed 

 strouglj- rounded, projecting mesiad : postvaginal part of plate with the sides 

 obliipie, sballuwly sinuate, apex rounded. 



Early stages not known. 



Hah. Japan to North India. 



In the Tring Museum 14 cj J, o ? ? from : Japan : 8ikhiiu. 



\^y-i. Oxyambulyx liturata (I'l. VIII. f. In, 6). 



"^Ainbulf/x lituralit Butler, Pivc. Znol. Soc, Loitd. p. lioO. n. 32 (1875) (hab. V descr. of lar\'a ; — Mus. 



Bnt.) ; id., Trail". Zuul. Soc. Loud. ix. p. oSU. n. 5. t. 01. f. 2 (/). d (p) (1877) ; Kirby, I.e. p. 67G. 



D. 20 (1802) ; Swinh., Cat. Lqi. Jlel. .Mus. 0.c. i. p. 2.5 n. 08 (1802) (haec spec. ? '.). 

 *.lmbiilij.v rhodoptera Butler, Piar. Zool. Sue. Land. p. 251. n. 33 (187.i) (Darjiling ; — Mus. Brit.) ; 



id., Traus. Zunl. So,-. Loud. ix. p. 580. n. t!. t. 03. f. 8 (?) (1877) (Uarjiliug) ; Cot. * Swinh., 



Cal. Moth.-< Iiid. i. p. 23. n. 121 (1887) ; Kirby, /.<•. p. i;75. n. 12 (1802). 



(? ? . Easily distinguished from macidi/'era by the absence of the ronnd subbasal 

 costal patch, which is occasionally indicated in the jiresont sjiecies by a longitudinal 

 dash. Abdomen with mesial line which is /lOt dilated to a patch on the eighth 

 tergite of the cf. From the continental forms of substrigilis, with which liturata 

 is easily confounded, it can bo distinguished, apart from the dift'ereut sexual 

 armature, liy the base of the hindwing being less tawny and never black, and by 

 the snbmargiiial line of the forewiug being more jiro.ximal posteriorly. 



Some of the 9 ? are as pale as the tJc?, while others are deeiJer in tint, and 

 have a more distinct violet-grey gloss on the forewing. 



c?. Eighth abdominal sternite bisinnate, being rouiulod-couveN mesially 

 (PI. XXII. f. 2fiJ, the edge of this hdie thickened internally, which gives the edge 

 the ap])carance of being bent internad. Tenth sternite similar to that of placidn, 

 being more deeply sinuate than in xi(h.-itri(jiUs. Harpe (PI. XXXII. f 1) with an 

 almo.^t vertical subnusial process {pm) at the distal end of the submesial ridge : 

 di>tal process pc very broad, spoon-sha] ed. Penis-sheath (PI. XXX. f. 11, ventral 

 view) with two dentate folds, which are nne(inal in length ; the strongly chitiniseii 

 dor.'-al part of the sheath prolonged into a short obtuse jirocess. 



? . Vaginal plate (PI. XV. 1'. 7) with a very large vaginal cavity ; proximal part 

 of plate membranaceous, edge of cavity raised to a folded ridge which is mesially 

 sinuate, here less chitinised than laterally ; distul part of plate rounded, tran.-i- 



