120 THE BUTTERFLIES OF SWITZERLAND 



"ab. (& Yar.) Marginata, Bi'thl : larger, with broader border, 

 un.s. lighter with margl. row of metallic bl. spots. 



Log. Only in the hottest parts of the region, as ab. ; transitional 

 forms not uncommon in hot seasons. 



(c.) loss of markings un.s. h.w., culminating 

 in : 

 ab. Unicolor, Tidt : in wh. it is entirely reddish-brn. 



(d.) a distinct row of eye-spots un.s. h.w. 

 ab. Ocellata, Tutt ,- (the type has only traces of this). 



(e.) loss in depth of grd. col. up.s. culmina- 

 ting in : 

 ab. Pallida, Tntt: pale yellowish-tawny, with pale gr. out. marg. 



C. Typhon (Tiphon) Itott. (Davus, Fahr.y, 35mm. Fd. pit. 



L'arc.v, Fcatuca, liliynconpora, ErinpJumim. 

 ? up.s. f.w. rather lighter than <? . 

 Dist. Char. un.s. h.w. It. band represented by 2 or more patches 

 of dirti/ ir/i. : 2nd eye-spot from anal ang. the largest, exc. 

 sometimes the costal spot ; further distinguished from Iphis by 

 lighter up.s., and from PawphiUm by absence of gr. border up.s. 



Log. Confined to marshy places, and v. local. Schatfhausen, 

 only on the " Scharrensumpf " [Trajqi); Zurich on the Katzensee 

 (Frei/) ; Utznach, vii. 5/01 ; Weesen marsh, vii. 8/01, rather worn 

 (F/.s.) ; Gais and Weissbad (Pei/cr-LnJiof) ; Lake of Hallwyl 

 (Tr.sr/(^.); Berne {Mcissjwr); Schiipfen and Val Travers (llothenhac/i); 

 Glsivus (Heer) ; Weissenburg marshes, not uncommon (/:///); Gimel- 

 sur-Rolle, a sloping marshy field on the left of the road to St. 

 Georges, vii. 1/02, fresh and ab. (W/i.) ; Leuk (M.-B.) ; Mt. Barry, 

 vi. 30, 1900 (Bkiii.) ; Brunnen, vi. 6/86 (Jones); Ragatz {AmsU'i)i) ; 

 Splugen, below Andeer, vii. 5, 1900 [H.-Brn.). 



Osterwitz, Carinthia, vii. /97 {Lvin.). 



Directions of Yar. (a.) darker grd. col., and more and larger 



eye-spots, culminating in : 

 Yar. Philoxenus, Bsp. (Rothliebii, H.-S.) ; un.s. also dk. red.-brn., 

 with ante-margl. band of eye-spots ; up.s. 0-5 f.w., 1-6 h.w. 



(b.) paler grd. col., fewer and smaller eye- 

 spots, culminating in : 

 Yar. Laidion, Jhhh. .• not gen. mndi lighter than type, but up.s. 

 ocellation reduced to small dots, gen. 1 on f.w. and 1 on h.w. ; 

 un.s. basal area h.w. much darker than border, as in type, but 

 with only traces of eye-spots ; gen. 1 apical eye-spot f.w. 

 ab. Isis, Thnnhenj: the extreme form as to paleness of col. 

 ab. Obsoleta, Tutt ,• the extreme form as to absence of ocellation, 

 there being only one dot, h.w. 

 [Obs. — Unfortunately v. little information is forthcoming as to the different 



