632 METHONELLA. By. Dr. A. Seitz. 



quite faintlj' indicated. The $ seems to me to be an entirely white butterfly which M-as figured on the table 



russala. as chionea, benause Salvin and Godmais included a yellomsh-red, broad black-bordered butterflj' (russata 



G. and S.) (122 d as gyda-^) as the $ to gyda. This latter one occiuTing with a red-broAvn, yellowish-red and 



pale yellow upper sm'face, belongs, however, according to the under surface into the group of eucrates-leiicorrhoea, 



it may be the legitimate $ of one of them, gyda is a dubious species; the under surface is not figured in 



H£'rt;tson's work and the type is lost. The upper surface varies in the tinge being sometimes brownish-red 



teira. (ab. tetra nov.), sometimes more yellowish-orange; the 9 may be faintly shaded in grey at the base and the 



border of the hindwing. The butterfly seems to be distributed over the whole tropical South America, though not 



common and \ety local; it occiirs from Central America through Colombia and the Amazon as far as Bolivia. 



In the north of the range the $5 exhibit the purest white, in the south they are slightly darkened in greyish, 



especially in the basal part of the wings (? = cJiirone Hew.). 



pmeclara. E. praeclara Hew. (122 d). cj above about like gyda-,^, but the wings are of a wonderful green, golden 



red and pm'ple silky lustre, as we have described it in a detailed manner on p. 617. Under surface silvery 



white with some dispersed, small brown spots in the disc of the hindwing. The Upper Amazon District (Iquitos) 



and Ecuador. $ unknown. 



opalescens. E. opalescens Heiv. Almost like the preceding, also with a magnificent reflection in the colours of the 



rainbow, but the dark margin of the f orewing is absent. Seems to be widely distributed like the preceding and 



following species (Amazon to South Brazil), but very rare. I don't know the $. 



opalina. E. opalitia Heic. (122 d). Coloured like praeclara, only the yellowish-brown more hazy; but the lustre 



is here more one-coloui"ed brass-yellow and it mostly varies on the whole surface of the wings uniformly to 

 golden red or yello^\dsh green. On the silvery white under surface the small discal spots aje arranged in the 

 direction of the usual median transverse stripe. From Brazil, probably very widely distributed, but extremelj^ 

 rare. The $ is vmknown to me. 



euphae.9. E. euphaes Hew. (122 d). In the (J the forewings are above dark red brown, the hindwings orange 



with a dark border and basal ray towards the middle of the border; the latter ray varies in distinctness and 

 colouring. Beneath the darker marginal part is separated from the silvery white basal part by the ii'regularly 

 indented median transverse line. It apparently flies in the whole Amazon District, since there are specimens 

 before me from Para and from the Rio Napo. 

 idica. E, utica Hew. (122 c). Shape and under surface almost like in euphaes, but the indentations of the 



median transverse line are not so deep. Above, however, the forewings are also orange-red, with a broad black 

 costal margin and distal margin. I do not know the $. From Brazil; very rare in the Organ Mountains. Neither 

 V. BoNNiNGHAUSEN nor myself have found it. 

 suhargenlea. E. subargetltea Lathy (122 c). One of the largest Euselasia, above blackish brown ($ somewhat duller), 



beneath silvery grey; forehead above golden-yellow. Colombia, single. 



ielechis. E. tclcclus Stoll (= gemellus F.) (122c). Above blackish brown, f orewing with a reddish-tinged 



basal part and an orange-yellow discal spot {^), or an ochre-yellow oblique spot ($). Hindwing always with 

 an ochre-yellow spot before the apical part. In typical specimens the under surface, similarly to that of suh- 

 caialeuce. argentea (122 c), silvery grey and distally slightly shaded, but it may also be quite light silvery white (cataleuce 

 Hhn.) (122 c), in which case the basal half of the upper surface is mostly of a brighter red-brown colouring, 

 the orange spot of the forewing running in the shape of a stripe as far as to the base. The transverse line of 

 archelaus. the under sm'face is yellow and almost straight. — archelaus subsp. nov. (110 A e) is a very large form 

 discovered by Fassl on the Rio Songo in Bolivia, at an altitude of 750 m; here the basal part of the fore- 

 wings is not red-brown and the postdiscal spot of the hindwing is covered by blackish. Also in this form 

 the under surface may be, in its distal part, more shaded or of a purer silvery white. Guiana to Bolivia, not rare. 



iysoni. E. tysoni Weeks and howlandi Weeks, both from Venezuela, have remained unknown to me. 



howla»iii. 



2. Genus: Metlioiiella Ww. 



A genus probably consisting of but one very variegated species being unmistakably characterized 

 ali-eadj' by the conspicuous coloming and the deeply indented margin of the hindwing being continued in the 

 9 at the ends of the veins into teeth-like small tails. On the forewing the subcostal is four-branched; the bran- 

 ches 1 and 2 rise before, 3 and 4 behind the cell. Hindwing vvithout a basal vein. Palpi extremely short. The 

 colouring resembles that of certain Themone, Cartea, Monethe, Aricoris etc., with which conjointly patented 

 butterflies such as Acraeini, IthomU, Pericopini etc. are imitated. The $$ are verj^ stout and clumsy which 

 makes them still more similar to the un-ndeldy Actinote. They belong to the more common Erycinidae, but 

 they are local and seem not to leave their birth-place. Life-history unknown. 

 ceeiVw. M. cecilia Cr. (122 i). The first form published by this name is a $, above bright orange-red with 



a broad black apical part of the forewing, containing a yellow crescentiform band, and a row of yellowish 



