12 THE VIDUBA BUTTERFLY. 



lustre ; a strongly marked broad snow white bane 

 passes in a straight line through the middle of both 

 pairs to the anal region of the lower wings, where' 

 it becomes narrower, and, after several minute] 

 curves, stretches obliquely to the interior margin : 

 between this and the hinder margin is a very deli- 

 cate blackish thread, composed of small linear frag, 

 ments, in close contact, arranged in a regular curve 

 across the fore wings, slightly interrupted and 

 curved in the hinder, forming in the anal region e 

 delicate edge along the medial white band; the 

 lower wings are besides marked, within the poste- 

 rior margin, with a row of oblong spots of the groum 

 colour, inclosed within a double series of white 

 lunules, and continued to the anal region by twc 

 very large black ocellate spots, the exterior on 

 being surmounted by a large oblong patch of 

 bright orange tint, abruptly terminated at its con 

 tact with the black striga, the interior one occupy 

 ing the anal appendage, being covered internally 

 with a white arc sending off a short oblique line 

 along the inner margin ; the space between the 

 ocellated spots is gray, irregularly irrorated with 

 black, and marked in the middle by an indistinct 

 white lunule ; a brilliant white thread passes along 

 the entire anal region, exterior to which is a con- 

 tinued black marginal thread, and the whole ter- 

 minated by a grayish fringe. The body with a 

 varying bluish or sea green tint above, covere< 



