( 442 ) 



Vpiitrall}', excavate on tipper or distal side ; carved aiiad ; iiroximally of orifice 

 a low folded ridge extcndiug ou each side bcyoud tlie central process, formiug a 

 ring which opens behind ; this ridge widest behind ; at each side of the ridge 

 the membrane densely plicate and fnrthcr latcrad again raised into a smootli, 

 somewhat ronnded ridge. 



Early stages described by Bnrmeister, l.r. 



Ilab. Sao Panlo to Buenos Aires and northwards to Paraguay. 



Two subspecies. 



(I. P. perr/tcbus perrhebus Boisd. (183G). 



I'ajiilio ]>en-hi>l/ii.i Boisdiival, I.e. ; Doubl., Wesfcw. and Hew., Gen. Diiirn. Lej>. i. p. 19. n. 226 

 (I84U) ; Gray, Cal. Le/,. I„s. liril. Mnx. i. Pap. p. 41. n. 20i; (1852) ; id., Lhl Lep. Ins. Biit. 

 .Mils. i. Piiji. p. hi\. n. 217 (18.^11) (Paraguay) ; Felder, Verh. ZouJ. But. Grs. Wini xiv. p. 2y4. 

 n. 74(1864) (Paraguay ; Rio Grande) ; Kirliy, Cut.Dinni. Lfp.^i. 536. n. ll'J(1871) (Paraguay); 

 Oberth., Et.il'Ent. iv. p. 97. n. 248 (1880) (Paraguay); Gosse, Eiitnm. .\iii. p. 194(1S8(I) 

 (Assuncion, not scarce, Nov. Dec.) ; Staud., Etnl. Tiiij/'. p. 15 (1884) (Paraguay ; Rio Grande 

 do Sul teste Boisd.) ; Ha.ise, Viilermirh. Miiuk-nj i. p. 77 (1893) ; Weym., Strtl. EnL Zuil. Iv. 

 p. 315. n. 7 (1895) (Rio Grande do Sul). 



Ptqiilio pcrrhiiibitii var., Mabilde, (jtiia Prart. Borhol. Rin Grande do Sul p. 48 (1896). 



c? ? . Frons and palpus red. Submarginal spots of hindwing bright red on 

 both sides. Fringe of hindwing black at the ends of the veins. 



I/iib. Brazil : Sao Paulo to Ilio Grande do Sul ; Paraguay and neighbouring 

 districts of Argentina. 



In the Tring Museum 12 c?c?, 6 ? ?, from : Sao Panlo; Itio Grande do Sul ; 

 Sapucay, Paragnay, August to October (W. Foster). 



b. P. perrhebus damocrates Guen. (1872). 



Piipiliii damocrales Guenee, Mem. Soc. Fhijs. Hist. Nal. Geneve xxii. p. 371. n. 4. fig. 2. ^f (1872) 



(Buenos Aires); Staud., E.ivl. Ta(if. p. 15 (1884) (Argentina). 

 Piipilii, pnrliibiis^ Guenee, Pel. Niiiiv. Enl. p. 201 (1872) (= dainorralcs) ; Kirby, thid. p. 239 (1872) 



(= ihiiiioa-iiles) ; Guen., /.<;. p. 244 (1872) ; Kirby, Oil. IJInni. Lip. \\ 810. n. 119 (1877) 



(partim ; dainocmtes = perrhebus) ; Staud., l.r. t. 9. ^ (1884) (the figure too blauk). 

 PujiiUo perrliaebii-i, Burmeister, U.it. (Buenos Aires ; 1. on Aristuhichin riliiita). 

 Piijiiliu perrhebus var. duniocrute", Oberthiir, Et. d'Ent. iv. p. 77 and 115. sub n. 248 (1880) 



(Buenos Aires). 



S ¥. Paler than the preceding, es])ecially the female ; red colour on liody more 

 restricted, palpus and frons usually quite black. White border of forewing wider 

 anil that of hindwing not interrupted ; submarginal spots less distinct, paler on 

 both sides. 



J fab. Buenos Aires and Entre Rios, probably also in Uruguay. 



In the Tring Museum 31 Jc?, 24 ? ? , and a series of larvae and jiujiac, from : 

 Buenos Aires, December to February (Ruscheweyh) ; Paysaudu ; La Soledad, Entre 

 Rios, end of November to January (('has. Britton and Miss E. A. Britton). 



7. Papilio phalaecus Hew. (1861). 



Piijiilio phiiltieriis Hewitson, Triiiia. Enl.. Sue. Lund. p. 32 (18159) (Ecuador) ; id., Ejul. Bull. iv. t. 11. 



fig. 37 (1869) ; Kirby, Cut. Dinrn. Lep. p. 536. n. 1 18 ( 1871) ; Stand., Ej:ol. Taijf. p. 14 (18S4); 



Dogiiin, Emini: Lfp. I.nj,i i. p. 14 (1887) ; Maass. i>i Wtyni., in Stiibel, lieiscn S. Aimr., Lrp. 



p. 61. n. 87 (1890) (Muamboya) ; Dognin, I.e. ii. p. 37 (1891) ; Uaase, Untersiich. .Uiinkrij p. 77 



(1893). 

 Piipilio phalueiliiis (!), Hewitson, Exnt. Bull. iv. Jiidr.r (1872). 



c??. Body woolly ; head, prothurax and palpns Idack, a few red scales beliiiid 

 eye. Mid- and hindtibiae minutely hairy, and armed with dispersed spines, as in 



