base, the edge of the costa beyond the middle and the posterior margin 

 black broadest at the tip ; a large black spot at the apex of the discoidal 

 cell and a dot inside : inferior wings with the posterior and abdominal 

 margins and a long spot on the disc black, the first with 5 black spots on 

 the inner margin ; cilia black edged with white : underside of superior 

 wings scarlet-orange, with 3 large black spots ocellated with ochre, placed 

 longitudinally on the discoidal cell and a long and large one below them ; 



7 large ocellated spots parallel to the posterior margin which is cinereous, 

 with 7 black spots on the inside : inferior wings bluish-gray brightest at 

 the base, with 15 large black spots ocellated with white placed trans- 

 versely, viz. 2 at the base, 3 before the centre, on which is a long one, 



8 beyond it in pairs and a 9th forming a triangle ; a scarlet band close to 

 but not touching the posterior margin, arising from the posterior angle 

 but not extending beyond the 7th nervure ; there are 8 black spots on the 

 inner edge of the fimbria and 7 smaller ones outside ; cilia cinereous : 

 thorax and abdomen black, bluish white beneath, legs of the same 

 colour ; tarsi excepting the basal joint annulated with black. Female 

 25 lines : scarlet ; superior wings freckled with black at the base ; edge 

 of the costa towards the apex, a fimbria narrowed at the posterior angle 

 and the nervures branching from it black ; two large black spots on the 

 discoidal cell and a transverse line of 7 ovate ones beyond the middle ; 

 inferior thickly freckled with bhick, the nervures and an abbreviated fim- 

 bria scarlet, both margins of which are indented with black, there is a 

 black spot on the disc and 4 beyond it : the underside does not differ from 

 that of the male. 



This is a much larger and brighter insect than the true L. Hip- 

 pothoi', and more strongly spotted : but the only tangible character 

 I can discover, and which has been overlooked by every one, is the 

 long black spot on the underside, near the base of the superior wings, 

 and this is sometimes nearly or quite obliterated, and the additional 

 dot on the centre of the discoidal cell in the male, which is occa- 

 sionally wanting. Mr. Dale observes that they vary very much in 

 magnitude as well as in colour, also in the size of the spots and shape 

 of the wings, the superior being obtuse in some aod acute in others. 



It is with much pleasure I have been able to give figures of the 

 Larva and Pupa ; they were communicated to me by Mr. Hender- 

 son, of Milton, with the following remarks : " Messrs. Whybray 

 and Wood found the caterpillars in May and June 1826. Mr. W. 

 says that they are found in the greatest plenty the first three weeks 

 of June, about which time they change to Chrysalides, and remain 

 in that state about three weeks : it is supposed that the eggs remain i 

 through the winter, and are probably hatched about the latter end li 

 of May. The caterpillar feeds on the Rumex aquaticus^ and other 

 docks found in the fens, and the chrysalis is attached to the back of I 

 the leaf-stalk near the bottom." I should here observe, that the 

 caterpillars sent to me were full grown, and some of them changed ' 

 to chrysalides on the journey without fastening themselves ; but they 

 no doubt have a thread placed round them in their natural state, » 

 like the Theche {vide PI. 2G4). 



This splendid butterfly was first discovered in Wales by the ce- 

 lebrated botanist Hudson ; and Dr. Skrimshire took it many years \ 



4 



