72 THE BUTTERFLIES OF SWITZERLAND 



Visp, viii. b. /98 ; Pfyn, vii. e. /99 (Wh.); c. one year at Stalden 

 (Frei/) ; Thusis, vii. 95 {Miss Ftn.), &c. 



Lower slopes of the Brevent, viii. 18/02 (Tntt) ; Chamonix, 

 viii. /93 ; above Varenna (Miss Ftn.) ; Baveno, vii. /8H {Ltnn.) ; 

 Alpes Maritimes (Bnn.) ; Pre St. Didier, viii. m. /98; Torre Pellice 

 and Bobbie, c, vii. m. /Ol {Tiitt). 



(d.) absence of silver nn.s., constituting: 



*ab. Immaculata, r«ilirr (Anargyra, Sujr.) ; wh. occurs rarely in 

 the Alpes Maritimes (llrm.). 



D. Pandora, Srhif. (C'ynara, Fain-. ; Maia, Cramer) ; 



7omm. Fd. pit. Viola tricolor. 

 <y has nervures iv. 1 and 2 up.s. f.w. widened. 

 Dist. Char. un.s. f.w. large cherry -col. patch. 



Loc. V. scarce (and accidental) in Switz. Aigle, vii. 6/97 

 (Lowe) ; Lausanne, viii. 18/99 (Tiitt) ; Fully (Meissner) ; Loeche 

 (Knecht) ; Fische (Trapp) ; Pfynwald (Paul) ; Niouc (Taskfr) ; said 

 to be not uncommon at the entrance of the Val Fex, nr. Sils. 



Much less scarce S. of the Alps, vi.-ix. b. {Stndi'r) ; Val d'Aosta, 

 above St. Hemy, on the St. Bernard route at about 5500ft. (!), vi. 

 25 (Far.) ; Courmayeur, vii. 15/03 (Loire) ; Pre St. Didier, viii. b. 

 /94, c. ; /98, scarce : Cogne Valley, viii. m. /94 ; Aosta, viii. m. /94 

 (Tntt) ; Roquebiliere, St. Martin Vesubie, La Bollene, St. Sauveur, 

 itc, vi. vii. ( Unii.). 



Directions of Yar. (a.) grd. col. up.s.: ranging from dk.ochreous 



to greenish ochreous. 

 (b.) diminution of silver un.s., esp. in ^ . 

 culminating in : 

 ' ab. Paupercula, Itai/iisa .■ in wh. there is none. 



Genus, Argynnis, Fahr. 



Dist. Char. un.s. h.w. large silvery spots. 

 A. Aglaia, />. .• ASnim. Fd. pit. various Fiolanuv. 



J has a sliii/it thickening of the two lowest nervures up.s. h.w., 

 $ larger and gen. darker. 

 Dist. Char. un.s. h.w. brt. yell, ante-margl. band without spots. 



Loc. \ . widely distributed and c, esp. on hill-sides, vii. -viii. ; most 

 ab. from 2000ft. to 4000ft., ascendmg in some cases, (■.//., on the 

 Siniplon Pass, even above GOOOft. 



Directions of Yar. (a.) reduction in size, culminating in : 

 ab. Nana, 11'//. .• not more than 48mm. ; not bleached like vai-. 

 VitJuita, Moorr. but brt.; $ scarcely darker than <? . 

 Loc. Nr. top of Simplon Pass, viii. m. /97, several (If'/'-) 



(b.) shade of grd. col. up.s. [This gives rise 

 to many abs., viz. : 



