10$. 



DESCRIPTIVE CATALOGUE. 



confirmed tlie char actef of depressoscutatd given to it in tlie generic description, in conformity with the 

 denomination originally employed in the Wiener Verzeichnis. I feel it my duty to make this candid state- 

 ment in thisplace, as it is not in my power to indicate, with entire certainty, which of the two larvae No. 3 

 and No. 4 of my fourth plate, belongs to Amb. Narada, and which to Amb. Apidanus ; the indication I have 

 "iven in the explanation of the fourth plate is provisional, and requires a final confirmation. 



33. Amblypodia Centaurus. Ala supra raaxis purpurecB nitore in chalybeum vergente vel in alio 

 aspectu violaceafusco reliicentes, fimbria et posticarum canali interiori abdomen excipiente nigris ; 

 fceminae nigricantes, singula plagd amplissimi cyaned fulgidd ad basin aruginoso irroratd postici 

 sensim pallidioi'e, limbis exterioribus anticarum latioribiis : subtus antica canescentes apicibus 

 submargaritaceis, plagd basali maxim 1 extuscostam attingente intus appendiculo oblongo obliquo 

 attenuate cano-cincto stipatd; fascia mediand cano limbatd ad marginem interiorem fractd 

 et fascia posticd intus evanescente saturati fuscis ; in area mediana maculis duabus oblongis 

 et fascia brevi discoided saturati fuscis annulis strigisque margaritaceo nitentibus cinctis ; 

 in area anali maculis duabus obscuris basi connatis ; posticce obscure margaritacea violaceo 

 niientes, ad basin maculis pluribus difformibu^ cano marginatis in seriebus duabus ordinatis ; 

 tunc fascia insigni median 1 cano limbatd bipartitd ramo anteriore interrupto, etdenique fascia 

 apicali cum striga undulata cana intus limbata saturati fuscis ; macidm tres nigerrima semiovatce 

 ad angulum analem in serie margini posfica parallel d confluentes, latissimo viridi-aureo irroratce, 

 imd puncto nigro fretd. (Exp. alar. 1 unc. 8 lin.-2 unc.) 



Papilio P. R. Centaurus. Fab. Mant. Ins. torn. 2. p. 68. No. 646. 



Hospitatur in Musseo Domini Banks, Societati Linneanae Londinensi munifice donate, 

 nomine a Fabricio ipso inscripto. 



Polyommatus Centaurus. MM. Lair, et Godt. Enc. Meth. Hist. Nat. ix. 658. 



Wwg'SG&ot/'e, in the ?/2a/e, bright purple inclining to azure, with a rich cyaneous gloss uniformly 

 spread over the surface assuming according to the light a livid cast varying to brown, sur- 

 rounded along all the margins by a narrow black thread, which is somewhat broader in the 

 anal region ; inner marginal canal for enclosing the abdomen gray with a silky down ; in the 

 female blackish brown with a large medial cyaneous patch, circumscribed in both pairs according 

 to the outline of the wing, broader along the exterior margin and gradually decreasing in 

 intensity of tint towards the posterior borders ; the medial area covered with a rich refulgence, 

 the base with a radiating verdigris cloud varying according to the direction of the light : under- 

 neath, ground colour of the fore wings cinereous, with a pearly somewhat violaceous cloud 

 towards the outer apical angle; the basal portion, spreading near the costa towards the middle 

 of the wing, but evanescent in the anal area with an oblong dentiform obliquely diverging process 

 edged with gray, within which are two very obsolete brown spots ; then a defined medial fascia with 

 undulated marginal gray strigae abruptly infracted in the anal area, and a broad posterior border 

 evanescent internally, and in most individuals divided by a faint transverse grayish striga, dark fer- 

 ruginous brown; two dark oval spots, commencing at the base and successively larger, encircled with 

 pearly silvery rings, adorn the medial area, and are followed, on the disk, by a short broad band 

 edged with shining silvery lines ; hinder wings with a pearly ground colour, minutely dotted 

 with gray, and covered on the disk with a rich violet reflexion, marked at the base with two 

 transverse rows of oval or irregularly oblong spots of ferruginous brown, edged with gray, and 

 increasing in size as they recede from the base ; a very broad band of the same brown tint, 



edged 



