120 BUTTERFLY COLLECTOR'S 



triangular ; at the margin is the usual articulate l)and of 

 six ocellated sjjots consisting of a black pupil, iris white 

 posteriorly, interiorly orange, crowned with a black and 

 white acute vertex. (N. B.— There is a faint trace of this 

 band on the upper side of the wing. ) Secondary wings on 

 both sides of the margin with a similar band, the upper one 

 consisting of six, and the lower one of eight spots, in the 

 latter, the first and last spot have no j)upil, and the last but 

 one is formed of two spots and has two pupils ; in the disk of 

 the underside is a triangular wreath consisting of eleven 

 ocellated spots, in the centre of which is a discoidal trian- 

 gular one, all black cinctm-ed with white. A white blot 

 connects the wreath with the marginal band. 



I'ariety 1. The primary wings have a distinct marginal 

 band of orange-coloured crescents, sunnounted with black, 

 and the central spot of tlie underside of the secondary is 

 l)lind. 



Fariety 2. Like the preceding, but in the band of the upper 

 side of the secondary wings the posterior part of the iris is 

 silvery. Kirliy. 



Taken near Ipswich, in June, 1827. 



Caterpillar. 



Chrysulis. 



POLYOMMATUS LACON. 



BuUerJIy. Very like P. Thestylis, but the fringe of the 

 secondary wings is barred with brown. Primary wings 

 underneath have a rather large kidney-shaped blackish spot 

 cinctured obscurely with wliite, the concave side of which is 

 towards the interior margin; the discoidal circlet consists 

 only of eight ocellated spots, including these, arranged 

 obliquely as it were in two bands. 'I'he secondary wings 



