128 THE ENTOMOLOGIST, 



peloria, Hew. {ante, p. 101), seems somewhat at variance with 

 the fact, particularly as he says " the third (subcostal) emitted 

 a little beyond the cell and running to the costa just before the 

 apex, the fourth emitted about half-way between the end of the 

 cell and the apex." It is not easy to see how this description 

 applies to the insect under consideration at all, because vein 7 

 (which, I presume, is the same as Mr. Kirby's fourth subcostal, as 

 it certainly is the fourth subcostal of Schatz) arises at a point at 

 least twice as far from the end of the cell as from the ai)ex of the 

 wing. Mr. Kirby's third subcostal I cannot identify with cer- 

 tainty ; but it is clear that in peloria, Hew., there is normally no 

 vein in the fore wing emitted beyond the cell, except at a distance 

 from the cell two-thirds as great as the width of the cell, and the 

 phrase " a little beyond the cell " hardly expresses this. In the 

 fore wing of peloria, Hew., veins 6, 7 and 8 are stalked from the 

 upper angle of the cell, the distance between the origin of veins 

 6 and 7 being about equal to the distance between the upper 

 angle of the cell and the base of vein 6, and vein 8 is about two- 

 thirds as long as 7 ; in short, the venation is practically that of 

 typical Aporia. The long hairs at the base of the wings in 

 peloria, Hew., although they are wanting in typicaMporm, afford 

 no distinction from Metaporia as exemplified by nabellica, Bdv. 

 Pieris davidis, Ob., with the hind wing below like Mesapia, has 

 the Pieris antennal club and heavy wing-fringes, and the fork 

 formed by veins 7 and 8 is small, as small as in typical Pieris ; 

 this species is, however, rather a Metaporia, for it exhibits, in 

 the suffused blackish post-median band which reaches from the 

 costa to vein 2 on the fore wing above, the commencement of the 

 post-median dark band proper to Metaporia. The Metaporia- 

 pattern is indicated in soracta, Moore, further developed in 

 helucha. Marsh, and leucodice, Ev., and reaches its greatest deve- 

 lopment in nabellica, Bdv. 



P. dubernardi, Ob., is a true Pieris in antennal club, wing- 

 fringes, in the minute fork formed by veins 7 and 8 of fore wing, 

 and more particularly in the suffused blackish spot in cell 3 of 

 the fore wing and the black border round the tip of the latter 

 from veins 3 to 9, although the hind wing below is yellow, with 

 the veins broadly, and a suffused post-median band, blackish. 

 The yellow under-surface of the hind wing, with broadly dark 

 veins, appears to originate in P. napi, L. 



P. mesentina, Cr., has veins 6, 7 and 8 of the fore wing as in 

 Aporia ; but the antennal club, though not narrow enough for 

 typical Aporia, is too narrow for Metaporia, and the essential 

 wing-pattern differs from that of either. 



The foregoing notes are the result of my review of certain 

 Pierids in Mr. Elwes' collection, in the Hght of Mr. Kirby's 

 article {ante, p. 99). 



Colesborne, Cheltenham, March 12th, 1894. 



