AND THEIR TRANSFORMATIONS. 155 



more or less varied with a buff edging, which is united to an interrupted oblique striga, reaching nearly to 

 the apex of the costa. Between the outer stigma and the margin of the wing are several black dashes, 

 above which, in some specimens, is an oblong patch of buff, as in cur figure. The hind wings are 

 snow-white, with the veins and slender hind margin blackish ; the cilia white. Varieties occur, in which 

 the wings are much more saturated in their colouring. Of those, the individual figured by Mr. "Wood 

 diflfers materially from our figure. Jlr. Stej)hens, in his Catalogue, gave one of these varieties as the 

 Ph. N. perspicillaris of Linnieus ; he, however, referred :t, in his Illustrations (under No. 6183 instead of 6182), 

 to a variety of this species, remarking also in the latter work (vol. iii., p. 94), that the Linn»an species was 

 probably a species of Calophasia, and that he believed it was contained in Mr. Swainson's cabinet*. The eyes 

 in this species are pubescent, and the male antenna; subscrrated. The species thus forms a distinct section, and 

 indeed, as above mentioned, it forms a distinct section in the genus Luperina of Boisduval f , who gives April as 

 ' the time of its appearance in the perfect state ; whilst our English authors mention the end of May. It is a 

 very rare species, but has occurred in Bulstrode Park, and near Birch Wood in Kent. The caterpillar is dirty 

 crreen, with a pale lateral line edged with brown. It feeds on Astragalus, Ouobrychis, &c. 



SPECIES .5.— XYLINA SEMIBRUNNEA. Plate XXXI., Fig. 3. 

 SvNoNYJiEs.— ..Yoc/ua umibrunnea, Haworth ; Stcjilicns, 111. H. 2, pi. 21, fig. 3 ; Wood, Ind. Eat. pi. II, fig. 221. 



This species measures Ivi inch in the expanse of the fore wings, which are remarkably long and narrow, 

 the anterior or costal division being of an ashy brown colour, and the hinder division dark brunneous ; they are 

 slightly clouded with darker tints, especially in the region of the stigmata, all three of which are present but 

 very indistinct; the veins arc dotted with black, and near the apex of the wing they are striped with thin black 

 lines ; towards the inner margin, however, those stripes become much broader, and are interrupted towards the 

 anal angle ; the apical margin is marked by a row of doeply-angulated dark spots ; the hind wings are paler 

 and shiny, with the base and cilia pale, and with a dusky central hmulc ; the abdomen has a row of blackish 

 tufts down the middle ; the wings beneath are paler, with a dark spot on the middle of each. This is a rare 

 species, but has been taken at Coombe Wood, and also at IMickleham, in October, by Mr. Douglas, from the 

 flowers of the ivy. 



SPECIES C— XYLINA PETRIFICATA. Plate XXXI., Fig. 4. 



SiiTioNVMEs.— i\'oe?ua petrijicala, Wicn. Vcrz. ; Falir. ; Oclis. ; I Noclua petrificosa. Hiibner. 

 Treit. ; Steph., 111. Haust. 2, pi. 23, lig. 6 ; Wood, Ind. Ent., pi. 1 1, Nodua umhrosa, Esper. 



fig. 222. I A'oclua socio, Hufoagle. 



This species, which has been confused with the preceding, measures 14 inch in the expanse of the fore wings, 

 which are of a greyish ochre colour, with darker clouds, with a dark longitudinal stripe towards the base, and 

 another behind the stigmata, which are pale ochre-coloured, the space between them being dark ; the costa is 

 marked with several blackish dots ; beyond the stigmata is a double curved row of dots, and beyond these a series 

 of dark cuneatcd marks, forming an angulated striga, emitting several paler streaks ; the margin itself is dotted 

 with brown ; the hind wings are brown, with the base paler, and a subcentral row of obscure dots on the veins ; 

 the abdomen is ochre-coloured, without the dark tufts. Very rare, but taken in Devonshire by Captain Blomer 

 and Mr. Marshall, as also in Noi-bury Park by Mr. Walton, in September. 



• Boisduval gives N. perspicillaris as one of the three species of his genus Cloantha. Mr. Paget has takeu it at Yarmouth, 

 t Gue'nfe unites it, with Pinaslri, into a section of his extended genus Cloantha. 



V 9 



