( 87 ) 



be a good and distinct species confined to India and Assam, while A. suhocellata 

 is from Java and the neighbouring islands. 



Ambiili/x auripennis Moore, A. sericeipennis Bntl., A. rhodoptera Moore, 

 A. conmnguis Bntl., A. maculifera Walk., A. litm-ata Butl., and A. lahorn Butl. 

 must sink as species and rank as subspecies of A. substrigilis Westw. ; and 

 I even think they are barely subspecies, for of most of them I have specimens 

 and intermediate forms, all taken in Sikkim and the Khasia Hills. I have five 

 new species to describe. 



Ambulyx amboynensis sp. nov. 



Similar to A. subocellata Feld. 



Forewings uniform ochraceous brown, with a central black stigma in the cell 

 and two boldly concave dotted ill-defined lines across the disc of the forewings. 



Hindmings butfy orange, with a narrow brown margin and two central darker 

 bands across the wiugs ; the outer one consisting of small black half-moou like 

 spots joined together, the inner one being a straight line. 



Head, thorax, and abdomen ochraceous brown. 



Expanse, 3-75 inches = 95-63 millim. 



Hab. Amboyna (coll. W. Doherty). 



Ambulyx dohertyi sp. nov. 



Forewings greenish brown, widi a pur|)le grey band a tj^uarter of an inch wide 

 crossing the centre. Apical patch large and of a purplish grey colour. From 

 the apex to the outer edge of the inner margin extends a convex brown baud. The 

 costa has three irregular greenish patches, and on the inner margin is a blackish 

 patch about one-fifth from the edge. 



Hindwingi orange bordered with brown, the outer edges deeply scolloped 

 and the fringes grey. The anal angle has an irregular grey and black patch, 

 within which is an imperfect and small ocellus. 



Head pinky grey, thorax purple grey with green margins, abdomen purplish 

 brown. 



Expanse, 4 inches = 102 millim. 



Hab. Humboldt Bay, N. New Guinea (coll. W. Doherty). 



Ambulyx japonica sp. nov. 



Foretvings yellowish grey, marginal and submargiual area from the apex to 

 the outer point of the inner margin brownish grey, with a distinct black convex 

 band separating it from the paler general colour. 



The forewings are also crossed by a broad snb-basal band of greenish olivo 

 colour, and there is a central Idack stigma in the cell. 



Hindwings greyish pink, with a heavy black border and some irregular dark 

 spots and bands on the disc of the wings. 



Head and thorax grey, with chestnut borders : abdomen grey, with two lateral 

 orange spots on the fifth abdominal ring, and a dark brown tip. 



Expanse, 3-5 inches = 89'25 millim. 



Hab. Kiushiu, South Japan. 



Ambulyx schausi sp. nov. 

 Similar to A. palmeri Boisd. 

 Forewings, however, crossed by a number of liairlike, zigzag lines. Basal 



