264 
THE BUTTERFLIES OF BORNEO. 
Genus 54. Dichorragia, Butl. 
Ground-colour above olive-blue-green, spotted with 
black and blue, beneath blackish striated with 
white in the apical half of fore wing and on the 
hind margin of hind wing . . . 224. derdas. 
Genus 55. Apatura, Fab. 
Males velvety brown-black above ; females ochreous- 
brown ; a submarginal row of small black spots, 
those near apex of fore wing touched with white. 
Exp. al. 46-51 mm. ..... 225. borneana. 
Genus 56. Eulaceura, Butl. 
Males velvety black-brown above, relieved by narrow 
white median band from third median nervule in 
fore wing to inner margin and across hind wing. 
Eemale dull grey-brown above, irregularly washed 
with white and dark spotted in distal half. Under 
side pearly white ..... 226. osteria. 
Genus 57. Herona, Westw. 
Ground-colour above grey-brown ; postdiscal region 
of hind wing spotted with white ; in fore wing a 
large yellowish spot below second median nervule 
in addition to a few postdiscal white spots 
227. schcenbergi. 
Genus 58. Euripus, Westw. 
Male blackish-brown, streaked and spotted with 
white. Eemale uniform brown or violet-tinged, 
or mimicking Eujplcea lowi . . » 228. borneensis .* 
* The male and different female forms of this species may be distinguished 
thus:— 
a. A submarginal row of double white streaks on 
both wings above. 
b. Apex of fore wing not striped with blue 
b 1 . Apex of fore wing striped with blue 
a 1 . No submarginal row of double white streaks. 
b. Mimic of Euploea loivi. 
c. Ground-colour brown .... 
c 1 . Ground-colour blue ..... 
ft 1 . Not a mimic of Euplcea lowi. 
c. Upper surface uniform brown . 
c 1 . Upper surface steel-blue, apex of fore wing 
whitish violet. 
c 2 . Hind wing with blackish-blue basal stripes, 
distal area light brown .... 
$ f. typica. 
2 f. biseriata Fruhst. 
$ f. loweimima Fruhst. 
2 f. euplceina Fruhst. 
5 f. uniformis Fruhst. 
2 f. crastiana Fruhst. 
2 f. strigata Fruhst. 
