PIKHIS. I'.y J. HnV.KM. 61 



vei'\' fine, nnu'li less conspicuons lilaek \eins, has (Hily traces of the l)lark stripes between the veins at the distal 

 margin, on the other liand a rather large lilack spot on the discocelUilar. — stamnata Luc, from Venezuela, stnmnata. 

 is somewhat smaller. Inii otherwise differs little from pmihica. — messala l-'rulist.. ti-Dui Peru, has the fore- mrs.sa/n. 

 wing more ]iointed, Ijeiuvdh the cell nf the forewing is mure broadly scaled with tilack and the subapical 

 black transverse band is somewhat narrower. — basiliola J-'nilist., from Boli\ia. is smaller and lighter, the Imsiliola. 

 white subapical sjiot of the forewing broader, the black di.stal margin of the hindwing decidedly narrower 

 and the anal area of the hindwing above almost without blue-grey scahng. 



P. subargentea lUlr. ilite). from Peru, lias the upper surface almost black, with white-yellowish .s/;/;;;/!,'!'/;/-™. 

 markings. The under surface of the forewing is similar to the upper, only the apex is bluish instead ofljlack. 

 The underside of the hindwing is bluish with silvery sheen, the middle of the wing whitish, at the costal 

 margin a yellow stripe and the veins and the stripes between them are narrowly Idack. — lia /•>////>/.. trom lia. 

 Bolivia, is larger and is less extended l)lack. 



P. caesia />//'•., tVom Ecuador, is distinguished from tenuicornis /-///■. uinl I'lucc (I'.M), trom ( lentral carsid. 

 America, by narrower black distal margins and the almost complete absence of the sulphur-yellow scaling inuinonus. 

 at the apex of the forewing beneath. The ? is l)lack-brown except for the white median and apical markings 

 of the forewing and the yellowish middle of the hindwing. and has also a l)road grey-brown subnuirginal 

 band on the underside of the hindwing. - - semicaesia Flih., from Colombia, is a small form with narrower, semicacsia. 

 pale black-brown margins and im])ure blue on the uiuler surface. phanokia Fn/hsl. ( =r semicaesia l<'ldi:7). plianokia. 

 from Colombia, of which (july ?? ai-e known, is larger than ficsin and has on both wings a much broader 

 margin abo\e ami beneath. 



P. cinerea Hnr. (19f). from Ecuador, has the upperside of the forewing white with the apical half r/m-m;. 

 black, in which a white apical spot is placed, the hindwing in the o"" is blue and in the ? black with yellow- 

 white costal margin. Tlu' under surface is (piite siuular except that there are small sul])hur-yellow spots at 

 the apex of both wings, a strijjC of the same colour at the c(]stal niarijriu and small ochre->ellow sjjots at 

 the base of the hindwing. The 'i is jialei' colmn'ed. I lie spots at the apices of the wings and stripe at the 

 costal margin of the hindwinu' on the underside are white instead of yellow. — litana /'V/'Z/k/.. from Bolivia, /itiuia. 

 is smaller, the black distal margin nairower. the under surface of the forewing purer white, that of the hind- 

 wing paler yellow. -- menthe //"/'//■ '^ 'l^*^' ^bgldly different tVu'iii from Peru. lunithc. 



P. mandela I'Idr. ciOai is the (ddest name for a s]iecies particularly rich in leiiiale forms. /'. imiii- luandcla. 

 dvia is the form from A'enezuela with moderately liroad black apical marking, in which are one larger and 

 several very small wliite subapical spots, and with veiy narrow black distal margin to the hindwing. The 

 under surface of the hindwing is liglder than in the better known loi'imht from Colombia. V more like the 

 cf than the S of the other forms, distinguished tVoui the 6" by the broader black margin and the yellowish 

 tint of the rest of the hindwing. — apicalis P>lh\, from the I'pper Amazon. Peru, tlolombia and Ecuador, aiiicalis. 

 is larger in both sexes, in the a" the black apical nuirgin more sharply angled proximally. the distal margin 

 distinctly nairower posteriorh', the upper white subapical spot larger, the distal margin of the hindwing 

 broader in the ])osterior half, the under surface lighter; the ? is similar to the uKimlrhi- V, the proximal part 

 of the hindwing grey-brown to the end of the cell, the under surface of the forewing not sulphur-yellow at 

 the base, the hindwing has more red colouring, the bro\vii parts are more coffee-brown and the submarginal 

 spots larger. — noctipennis /''///■. mid hnin cJOa). from ( losta Rica ami ( llhriijui. has in the cf a som%\\\vAi noctipcDnis. 

 broader black distal margin to both wings than nn/i/ddn. The under surface of the hindwing is somewhat 

 darker and the yellow marginal spots are sharper and deeper yellow. The S has the u|)per surface of the 

 forewing more }'ellowish with black apical third in which a yellowish subapical spot is placed, the liase is 

 yellowish grey-brown, the hindwing is black-brown with twii small yellow subapical spots. — locusta F/dr. locusta. 

 ('20a). from Colombia, is scarcely different from iKirtlfciiuinin the <f. the ? on the other hand, has the distal 

 third of the forewing and the whole of the hindwing a dee]) ])urple-brown colour: a small^white subapical 

 spot on the forewing is sometimes jiresent. 'fhe white colour of the middle part of the forewing is tinged 

 with red. The under surface of the liindwing is darker and the yellow submarginal spots are more indistinct. 

 — rubecula I-'ndisf. (20 hi, from Peru, has in the cf three distinct subapical white spots, the black i\pk-A rrhcnil,!. 

 and distal-marginal marking oiil\ reaches to the first median vein, the hindwing is more broadly margined 

 with black and the under surface of the hindwing is. very light, with much yellow marking and vermihon 

 streaks at the Ijase. The 2 has a black central longitudinal band from the cell to the distal margin of the 

 forewing. - xanthomelas n/ibK/j. ;/(*/■., trom l'](uiador (Coca), is in the female similar to riibmdu, the hindwing -\<"////(i/;/c/(m. 

 has .strongly yellowish grouml-colour, whicli is also ])resent on the basal part of the forewing. also the liiiid- 

 'wing is much darker, the black central longitudinal band of the forewing is shorter and narrower, the under 

 surface of the hindwing is much darker and the v( rniilion and yellow stieaks are longer and stronger. — 

 pallida siiltsp. m,,-., from Bohvia (Yungas de la Paz, lOOO m.). has a smaller black apical part to the forewing /'"AViA/. 

 above, with its ju'oximal edge rather straight, and broad, diffuse black di.stal margin to the hindwing. The 

 under surface, particularly on the hindwing, is very light and only ditfusely marked. — tithoreides Bt/r. liilioni'drs. 

 (20b). from Ecuador (I'alzabamliai, has in the T a bioad black distal margin to both wings, the hindwing 



