48 THE BTTTTERFIJES OF SWITZERLAND 



Genus, Thecla, Fnhr. 



Prevailing col. dk, brn. ; hyb. ov. 



Dist. Char. nn.s. wh. line on dk. (in Acan'n deivkhh) brn. grd. col. 

 ^Obs. — This ^enus, even more than the other Therlidi, is v. difficult to take 

 in good condition and is v. easily spoilt in setting.] 



T. W-album, KnorJi : oOmm. Fd. pit, elm (and lime). 

 <J with, 2 without small oval smooth patch nr. centre of costa 

 up.s. f.w. 



Dist. Char. un.s. h.w\, wh. line makes a clearly defined W nr. 

 anal ang. 



Log. Local, and only at low elevations, but not rare where elms 

 are found ; vii.-viii. b. ; c. at Berne, in the lime avenues ; Burgdorf 

 (M.-IK); Basle (li-S.) ; Liestal {Christ); Marly, nr. Fribourg; 

 Neuveville {Couleru); Uetliberg {H>/.); Zurich {Zll.-Dolder) ; at 

 Weissenburg the commonest Thecla {H<i.) ; on the E. slope of 

 Pilatus, viii. b. /Ol (Kci/iics) ; on both roads from Aigle to Sepey, 

 settling with other Theclas on Scuiihucus ebuliis, vii. 22, fresh, 29, 

 worn, /97 ; vii. 18, 1900, and viii. b. /Ol (Wh.) ; beyond Sepey, vii. 

 30/01 (Lnin.) ; Leysin (unusually high), vii. 24 (Jil.) ; Sion (Far.) ; 

 Sierre, vii. b. /97 {I'listans) ; Geneva, vii., Bois de Veyrier, vii. ; 

 also on the .Jura at. St. Cergues (BL). 



Cannes, Nice, not c. ( Brm.); Certosa di Pesio, not uncommon in Yal 

 Pari, Val Sestrera, and Val Cavallo, vii. 24, viii. 6 /92 {Xan-is). 



Directions of Yar. (a.) size, esp. in $ . 



(b.) depth of grd. col. (often, however, depend- 

 ing on freshness), 

 (c.) tendency to narrowing of wh. line, culminat- 

 ing in : 

 ab. Butlerowi, KnuiUkof/sLi ,• in wh. it is so interrupted as not to 

 form a W. 

 Loc. With type, i'.;/., Sepey road, vii. 22/01 (TFA.). 



• (d.) with broad wh. line un.s. (at Nice, Cannes, 

 &c., Brill.). 



T. Ilicis, /vs7^ (Lincens, Falir.) ; 8omm. Fd. i)lt. oak, 

 elm, etc. 

 J (type) without, 2 with or.-brn. patch on out. half f.w. 

 Dist. Char, mi s. h.w. thin broken wh. line, and entire aljsence 

 of bl. 



Loc. 2 broods, at any rate in some years. Onex, vi. 21 ; 

 Veyrier. vi. 24 ; Bois de Bay, vi. 24 ; Meyrin, vii. 20 (III.) ; c. in 

 Vaud (M.-l>.)\ r.<i. Glion, vii. /Ol {L)ini.) ; Sepey road, vi. e. vii., 

 ab. (117/.) ; all round Martigny, Saillon, Sion, Sierre, and mounting 

 over 4000ft at Evolena (Far.); Brig, ix. b. /98 (Tf//.); Basle 

 (Knecht) ; Liestal {( 'hrist) ; on the Jura ; scarce at St. Gall and 

 Zurich [Tfischler) ; Coltura [Bazziyher). 



