100 THE BUTTEKKl.ll'.S OK SWITZEKLAND 



Prevailing col. blk.-brn., with wh. spots and bands. 

 A. Ilia, ScJuff'. (Iris, Esp.) ; s- 5r)mm., $ 68mm. Fd. 



pit. willows and poplars. 

 <? with, 2 without, brilliant prp. reflections. 

 Dist. Char. un.s. h.w. pinkish, wedge-shaped band from costa, 

 not gen. v. conspicuous, and without external edging. 



Loc. In Switz. gen. distributed in the cantons of Basle, 

 Aargau, Ziiricli. Berne, NeuchiUel, Thurgau, St. Gall, Glarus, 

 Vaud, but only in the lower parts, scarcely rising above 3000ft. 

 (Frey) ; v. ab. in the beech forests of Jura {Katie) ; in E. Vaud and 

 the Valais it is scarce, but found occasionally, e.f/., Charpigny (Bis.) ; 

 Aigle, vii. 5/01; Martigny, vii. li)00 (TCA.) ; Sion ; St. Leonard ; 

 Granges ; above Turtmann (Far.) ; Pfyn, the W. side, vi. 21/97 

 (Postam) ; the E. side, vii. 19/99 ; vii. 13/01, not v. fresh, c. (117,,.) ; 

 nr. Geneva, Versoix, Veyrier, vii. (/>'/.) ; Locarno (/'Vs.)'; Monte 

 Bre {C/irit<t) ; the lower Misox (IVreddir). 



[Obs. — In tbe Valais and E. Vaud the type is the usual form, elsewhere in 

 Swifcz., esp. on the Jura vnr. Clytic is more c] 



Aix-les-Bains, vii. e. /9H [I'litt) ; Digne, vi. /90 {Nichohu>i) ; Alpes 

 Maritinies, and J^)asses Alpes along streams, the type, and vars. 

 Cb/tie and h!os [Poivell) ; as high as St. Martin Vesubie {Brm.) ; 

 Certosa di Pesio, var. Clytic, viii. /92, c. (Nnrrh) ; Susa, viii. m. 

 /97 (Tiitt); vi. 26/99, some fresh, mostly much worn (R.-Brn.) ; 

 Olgiate, viii. and ix. /95, and /98 {Mixs F^tn.) ; Meran, /80 {Tutt). 

 These dates point almost conclusively to a 2nd brood in the S. 



Directions of Var. (a.) loss of wh., culminating in: 

 ab. Iliades, Mitis .- in which the wh. bands are almost unrepre- 

 sented (v. scarce). 



(b.) increase of tawny col. (in type, only 



round eye-spots and at anal ang. h.w.). 



ab. (& var.) Clytie. .'v/</>/'. (Astasia. Ilh.) : in which it takes the 



place of wh. 

 ab. (& var.) Eos, llossi (Dilutior, Styr. .• Budensis, Fuchs) ; in 



which it invades the whole surface of the ws., esp. in $ . 

 ab. Astasioides, Styr. .- a tawny form corresponding to ab. Iliades 

 (,i. sii}>i((), v. scarce. 



(c.) absence of eye-spot at anal ang. h.w. 

 ab. Metis, Fn-. 



Loc. Alpes Maritimes {linn.) ; Certosa di Pesio, below San 

 Bartolomeo, viii. 30/92 {Ni)rris). 



[Obs. — The ? , like that of Irit<, seldtun descends from the trees till towards 

 4 p.m. ; the cT principally before 10 a.m., but may be found at other times on 

 damp places in roads, or resting on any kind of garbage, though not to the 

 same extent as the cT Iris.] 



A. Iris, L. ; c? OOmm., $ (iHiiim. Fd. pit. salloM\ 



S with. 9 without deep prp. reflet ions. 



