318 CALIGO. By H. Frtjhstorfer. 



greenish, distally with violet-bhie reflection. This reaches in tlie cell about to its middle, below it to two-thirds 

 of the hmdmargin and is gradually lost in the ground-colour. In the costal area of the hindwing and on 

 almost the whole of the forewing the dark markings of the under surface show through slightly. Under surface 

 rather coarsely and profusely marbled, forewing with two eye-spots. The $ is larger, the bluish colour below 

 the cell of the forewing weaker, the light band beyond the cell broader, the undulate band between the strongly 

 dentate lines which show through from beneath near the distal margin standing out more distinctly. The blue 

 on the hindwing further extended, deeper in tone, with less greenish reflection. In the Amazon region extending 

 towards the west and north-west (Peru, Colombia), tliis race becomes transitional towards C. fencer suzannii, 

 being more brightly coloured, with a somewhat darker costal area on the forewing and more copious blue 

 dusting at the hindmargin, while the hindwing shows a more extended blue basal area. Guiana, northern 

 nubilus. Brazil, western Peru. — nubilusi^ra/is/. (63 c). Band distally to the cell of the forewing completely suppressed, 

 ground-colour in the cell especially dark, a dull blue gloss spreads almost uniformly over the whole proximal 

 obidonus. half of both wings. British Guiana. — ■ obidonus Fruhst. Paler than the t_Arpe-form. The blue basal area of the 

 hindwing extended to the end of the cell, hence the distal and anal area more narrowly black-brown. Under 

 surface more marbled with white, in the cell of the forewing with brighter white bands. In the hindwing 

 the ijosterior eye-spot with smaller black pupil and broader yellow ring, in the cell the white elongate patches 

 standing out very brightly on a brown ground, the oval ring-spot before the middle discocellular on the other 

 japelus. hand more weakly coloured. Amazons (Obidos). — japetus Stick., from Paraguay, has broader wings than 

 typical teucer; the spmdle-shaped brown costal area widened so as only to leave free the extreme distal angle of 

 the cell, which assumes the colour of the adjoining transverse band. This is almost ochre-yellow, posteriorly 

 somewhat paler. The triangular grey area behmd the cell, which posteriorly to and in continuation of the 

 transverse band is bounded by the dark brown distal area and anteriorly reaches to the origin of the middle 

 median vein, is shot with bluish tlu-oughout, and a narrow posterior stripe in the cell is also slightly tinged 

 with blue; in an oblique light this dusting shows a beautiful sky-blue sheen. The light transverse band between 

 the curved lines which show through from beneath near the distal margin more distinct and proximally in parti- 

 cular standing out very sharply against the dark area. Blue basal area of the hindwing extended to the end of 

 the cell and nearly to the hinder angle, in an oblique light with brilliant violet-blue reflection. The strongly 

 undulate distal margin profusely dusted with wliitish, particularly at the incisions. Under surface in general 

 with somewhat lighter ground-colour, the distal half of the hindwing in particular with strong whitish admixture. 

 In the forewing only one eye-spot, near the apex. $ larger; the bluish tinge on the forewing spreads over almost 

 the entire cell, but is somewhat less pronounced. The band behind the cell broader, anteriorly, in the radial 

 interspaces, with pointed, wedge-shajjed teeth proximally. The band near the distal margin dirty ochre-yellow, 

 more distinctly defined, distally in particular bordered by a stripe more strongly dusted with black-brown. 

 Hindwing with the basal area considerably widened, in an oblique light with brilliant violet-blue and greenish 

 reflections. It extends about 6 — 7 mm. beyond the end of the cell, nearly reaching the anal angle. Under sur- 

 face somewhat less brightly and more coarsely marked. Thorax and abdomen strongly dusted with grey-blue. 

 phoroneus. — phoroneus Fruhst. Tliis local race, with the upper surface strongly darkened, forms a transition from thu 

 light forms of the Lower Amazon region to the dark suz^nnaDeyr. from Colombia. The light yellowish area 

 which in teucer and obidonus Fruhst. spreads over a tliird of the forewing is reduced to a rather sharply defined, 

 narrow dark yellow band, which in the cJ still covers the extreme apex of the cell on the forewing. In the $ 

 this band is even more narrowed and runs beyond the cell, gradually becoming darker and terminating before 

 the 3rd median vein. The cell of the (^J is darkened with the exception of the apical and lower parts, that 

 of the $$ entirely darkened, and shot with deep blue. The hindwing except the black distal margin with as 

 dark blue gloss as in euphorbus Fldr. The large ocelli on the underside of the hindwing characterized by having 

 a brown border, which is much more extended than in teucer and obidonus. Jaupes. 



C. illioneus occurs together with teucer, but its range extends somewhat further south on the Atlantic 

 coast and it is still met with at Rio de Janeiro, where according to Bonnikghausen it occurs on the north 

 side of the bay at Piedade. Unlike teucer, its early stages are well known. Larva on bananas. Northwards 

 illioneus extends as far as Panama. Such localities as Guatemala and Mexico are no doubt due to errors in 

 determination, it having been confused with memnon, which is everywhere common in those countries. ■ — • 

 oberon. oberon Btlr. (J, very dull-coloured, the blue of the forewing in the costal and posterior part of the cell very 

 faint, the posterior angle of the latter entirely free, the reflection strong but darker. Transverse bands dull, 

 sometimes even indistinct. The proximal one as a rule only somewhat more distinct anteriorly, from the radials 

 onwards obsolescent, the distal sinuous, the costal curves more, the anal less strongly diffused on either side of 

 the veins in such a way that the rays are as a rule united anteriorly with the smaller curves of the proximal 

 band, forming elongate ring-spots m which are enclosed oval spots of the dark brown ground-colour, some- 

 times proximally truncate. This formation, although it occurs more rarely also in single individuals of other 

 subspecies (particularly in C. i. jmlyxeniis), is in general very characteristic of oberon. $ paler, with the same 

 peculiarities, the transverse bands of the forewing somewhat lighter, the markings of the under surface show- 

 praxaiodm. ing through more strongly. Panama. — praxsiodus subsp. nov. is before me in four examples from different 



