( 37 ) 



dentate ; liarpe produced into a curved, almost finger-like, pointed, ventral process 

 (PI. XXXV. f. 15), the oblique upper margin dilated into a triangular lobe, which 

 is armed with teetli. Penis-sheath with one curved ])rocess, which is less than 

 twice as long as the sheath is wide (PI. XXVIII. f. 34) ; the process recurved 

 towards the sheath. 



¥. Vaginal plate (PI. XXI. f. 14) rather strongly cliilinised, glabrous, 

 convex mesially, vaginal cavity before middle, covered by a long sinuate-truncate 

 lobe which narrows distad. 



Early stages not known. 



Hnb. North India to Queensland ; rare, few specimens in collections. 



Two subsjiecies : 



f(. .1/. rufescens mfescens. 



*Di\\id\a rufescens Butler, I.e. (1875). 



Dilmtia ruhfscens, Swinhoe, Cat. Lq>. Hei. Ox. i. p. 3.S. n. 131 (1802) (Silhet). 



Megmwtou rubescens, Kirby, Cat. Lep. Het. i. p. 682. n. 9 (1892). 



Pseudosj)fiinx discistriga, Hatnpson, I.e.. (partim). 



*M(ganoton coci/tinides Rothschild, Nov. ZooL. i. p. S43 (1894) (Andamans, Labuan, Mindanao). 



c? ?. A smaller form than the following ; sides of mesothoracic tegulae of the 

 same clayisli brown colour as the forewing ; margin of hindwiug almost even ; 

 fringe of both wings less extended white ; underside of both wings darker. Ilarpe 

 of c? : the dorsal lobe with several prominent teeth. 



There is perhaps a darker continental and a paler brown insular form. 



HkL North India: Sikkim, Silhet; Andamans; Borneo; Mindanao; Sula Islands. 



lu the Tring Museum ; Sikkim, i S S ; Sula Mangioli (W. Doherty, Nov. 1897), 

 1 ?. 



Our Sula specimen has much paler forewings than the Sikkim c?c?,and the 

 transverse dentate lines are more or less obliterated. 



f). J/, rufescens severina. 



Macrosila sccey/iia Miskin, Prm: Roy. Sue. QueenM. viii. p. 25. n. 42 (1801) (Cape York). 



Mrganoton severina, Kirby, Cat. Lep. Net. i. p. G83. n. 17 (1892). 



*.Veganoton cocytioides Rothschild, Nov. Zool. i. p. 89 (1894) (Pt. Mackay ;— Mus. Tring) ; id., 



I.e. in. t. 13. f. 6(?) (189(1). 

 Pseudosphinx disc/striga, Hampson, I.e. iv. p. 453. n. 1(J9 (1806). 



(? ? . Sides of mesothoracic tegulae huffish white, strongly contrasting with 

 the forewing. Forewing above shaded with olive-grey scales, especially in post- 

 discal and basal regions, the obliipie streak in apex of cell centred with brown, 

 a separate black s]iot at upper angle of cell. Hindwiug, above, paler at costal and 

 abdominal margins than in the preceding form, the pale discal band more distinctly 

 indicated, especially at anal angle, outer margin distinctly scalloped. On the 

 underside, the internal margin of the forewing very pale. Harpe (PI. XXXV. 

 f 1ft) ; the dorsal lobe produced into one large tooth, besides some minute ones. 

 Tenth segment see PI. XXVI. f. 30. 31. 32. 



JIaL North Queensland. 



In the Tring Museum IcJ, 2 ? ? from Pt. Mackay. 



17. Meganoton analis. 



*Splim.r aiialix FeUlcr, /?<;« Xnrara, Lep. t. 78. f. 4 (1H74) (Shanghai ;— Mus. Tring) : Boisd., f^pec. 

 Gin. Lep. lUl. i. p. 111. n. 51 (1875) ; Butl., 'Fraiis. Zm,\. S„e. Lnml ix. p. 613. n. 5 (1877) 

 (hab. ?). 



