522 ADELPHA. By H. Frthstorfer. 



herciinhi. shorter white band of tlie hiiidwings. — herennia mbsp. iiov. is immediately distinguisiiable from cytlierea by 

 the very pointed white spot of the forewings reminding us ah-eady of mythra (108 c) and advancing as far 

 as to the cellular wall. Besides, the reddish-yellow spot between the broader median and the submedian be- 

 gins to withdraw far from the white middle stripe and is shortened in some specimens just like in ^4. 

 aea. mythra. Central Brazil, Espiritu Santo and Rio de Janeiro. — The southernmost race, aea Fl(b\ (108 c as 

 mnthra), is lying before me from Santo C'atharina and Santos. Its white stripes are expanded advancing to 

 the anterior median, the yellow part of the forewings being, at the same time, reduced in width. 

 iiij/lhm. A. mythra Godt. differs from ^4. cytkerea by the isolated yellow spot of the forewings, forming almost 



a regular triangle. Beneath, mythra is easily separable from cytherea by a whitish-violet submarginal band of 

 both the wings and by the white median band reaching, slightly discoloured in violet -grey, the costal margin 

 of the forewings. The species is extremely resistent, and between specimens from Espiritu Santo and Rio Grande 

 do Sul there are but so very slight shades of colouring that a separation of the paler southern form is not 

 necessary. Anatomically, A. mythra is connected with .4. cytherea, except that the valve is somewhat shorter, 

 ' ventrally more rounded, the dorsal appendage longer and more pointed, the uncus centrally thickened downwards. 



si/iiia. A. syma Godt. (107f) has the same occurrence and resistency in common with A. mythra. The 



under surface is most characteristic by the regular intervals of narrow white and reddish-brown bands. Like 

 in mythra, the white median stripe as well as submarginal stripe reach the costal margin of the forewings. 

 The $ has somewhat more roundish wings than the (^. In the Tring Museum there is, however, an aberration, 

 ;),v(ri7((.s-. pravitas form. nov. (107f), with faded yellowish-white preapical area of the forewings and with light-yellow 

 instead of orange-coloured anal spot of the hindwings. Also beneath, the reddish-brown stripes are replaced by 

 light ochre-yellow bands with broad black borders. I know also of A. .s^/wa-specimens from Minas-Geraes, 

 Paraguay and the Argentine Republic. 



roi-i/nefa. A. coryncta Hew., a peculiar and rare species, so far known only from Bolivia, has an isolated 



oblono' reddish-yellow preapical spot of the forewings, sending its festoon-like prolongation down as far as 

 to the posterior median. Central area of both the wings very broad, of a milky white, advancing beyond 

 the cell-apex. Hindwing with neat bipartite, crescent-shaped white anal spot in.stead of yellow. Under surface 

 most peculiar, reminding us somewhat of that of ^4. attica. The white area bordered at first by a blackish, 

 then reddish-yellow band, submarginal zone violet, distal margin again reddish-yellow. $ somewhat larger 

 than the r^, with more roundish wings. 



A. thoasa already forms a transition to the A. iphicla-gvou]). Upper surface characterized by one or 

 two transcellular spots of the forewings, varying in extent according to the habitat and maybe al.so to the 

 Kilid. season. — silia .subsp. nov. (107 e) shows them in the most luxuriant development. Under surface entirely iphi- 

 cloidal by violet preapical spots, whereas all the other allies exhibit yellowish maculae reminding us of gerona. 

 Arcrentina, type from Eiicorado, Sa. Cruz de la Sierra (January) in my collection, another specimen in the 

 )iiiiiiil'iii. Tiinw Museum. — manilia subsp. nov. Considerably smaller than silia, with only one insignificant transcellular 

 dot of the forewings; the reddish-yellow embedment, however, somewhat more extensive. Under surface with a 

 cutjaba. broader subapical .spot being already overhued in yellowish. Bolivia. — ■ cuyaba subsp. nov. has above some- 

 what narrower white median band, but equals otherwise silia in the magnificently developed white small trans- 

 cellular spots on the under surface of the forewings with sharply delimited light yellow preapical area. Mato 



Uiixt^d. Grosso. — thoasa Hew., described from the Amazon-district, is lying before me in a race verj- much allied 

 with it, from Peru. There exists only one small white dot of the forewings, the yello'w border narrower than in 

 mnniUu from Bolivia. Under surface like in gerona with 2 small white stripes in the forewing-cell. — 



zahiia. zalma subsp. nov. already approximates the Bolivian manilia and has like it only one minute white dot at the 

 cell-end. The hyaline area of both the wings somewhat broader. The ochreous preapical spot of the forewings 

 more posteriorly prolonged and more vertical instead of horizontal. From Tarapoto on the Huallaga in Peru. 



iin-oiiii. Type in the collection of Fruh.storfer. — gerona Hew. (107 e) a graceful race, above similar to A. coryneta, 

 but the yellow embedment of the forewings shorter. Anal spot of the hindwings reddish-yellow. Under surface 

 somewhat like that of ^4. iphicla, but with two silvery white, instead of violet small stripes in the cell of the 

 forewings. The apical spot of the upper surface diaphanous, appearing as a faded ochre-yellow area. The 

 white zone of the hindwings framed by yellowish-red. Described from Minas Geraes, from where also our figured 

 (J originates, and from Paraguay in my collection. 



A, iphicla, the chief representative of the great group with isolated and relatively small reddish- 

 yellow preapical spot of the forewings, inclines still more than the other Adelpha to the formation of local races, 

 the difference of which is founded by a greater or smaller extent of the white median band of both the wings 

 and the reddish-yellow embedment of the forewings. The under surface, however, remains constant. Clasping- 

 organs most characteristic, tegumen with strong and still boldly curved uncus, valve prominent by a clunicula 

 rising like a cone, but very broad towards the base, being dorsally, before the point, deeply indented, also 

 iiuixs'd'ia. vcntially, i)elow the tooth, projecting sharply convex. — - niassilia Fldr. (107 e), from Eastern Mexico, is the 



