110 



THE BUTTERFIJKS OF SWITZERLAND 



(g.) lightening of col. nn.s. h.w., culmi- 

 nating in : 



ab. Bryce, Ub. -. in Avh. they are whitish and ahiiost unicolorous. 



Loc. Not uncommon at r>ourg d'Oisans, viii. m. /96 [Tutt). 



Genus, Enodia, Hh. 



E. Dryas, Smjxdl (Phit>dra, L. ; Briseis, Ef^p. ; Athene, 

 Brkh.) ; 52mm. Fd. pit. grasses ; hyb. 1. 

 $ lighter and with more conspicuous eye- spots than ^ ; gen. 

 larger. 

 Dist. Char. up.s. f.w. 2 blk. eye-spots with prp. centres on dk. 

 brn. grd. col. 



Log. Basle ; Ziirich, nr. the Trichtenshaus Mill [Sndl) ; Goldau 

 (ZlL-TJolder) ; round St. Gall and in the Toggenburg {Tiisi-Jdcr) ; nr. 

 the Lake of Thun, e.;/., Gunten ; Aarberg and Worb {J^'n't/) ; the 

 Jura {Jihjiii), e.f/., St. Blaise and Neuveville (Frey) ; Weissenburg, 

 in marshes {U'j.) ; Sierne, viii. 3 ; Versoix, viii. 18 (Bl.) ; Aigle, v. 

 ab., viii. m.-e., 1900; between Chillon and Villeneuve, viii. /Ol, ab. 

 (WIi.) ; the Rhone Valley, from Martigny to Fiesch (Fav.) ; c'jj., the 

 Pfynwald, viii. b. /99, ab. (TI7/.) ; Lucerne, viii. /95 {Tutt); the 

 Grisons {Killias), e.(/., Thusis {Nichohon) ; Bad Alveneu, vii. /85 

 (Lvm.) ; San Stefano, viii. 7 (Mayer). 



Chavoire, vii. e. /02 ; Gresy-sur-Aix, viii. e., 1900, v. ab. ; 

 above Lac Bourget, viii. e. /94, v. ab., but not fully out, vii. 25/96 

 (Tutt) ; Digne ; St. Martin Vesubie (Poirdl) ; Venanson, v. ab. on 

 Nice road, 58 kilometres from Nice (Bnii.) ; Lago di Loppio, vii. 

 31, 1900, v. c, but worn (Jones). 



Directions of Yar. (a.) size: v. variable. [My smallest is 47mm., 



my largest 62mm., both J s.] 

 (b.) depth of grd. col. up.s., esp. in ^ . 

 (c.) col. of un.s. h.w. esp. in ? , in wh. it 



varies from dk. to golden brn. 

 (d.) loss of distinctness in markings un.s. 

 h.w., culminating in : 

 ab. (in Asia var.) Sibirica, Styr. : in wh. they are unicolorous, 

 <? and ? . 



Tribe Hipparchudi. 



Genus, Hipparchia, Fdln-. 



Prevailing col. brn. Fd. pit. grasses ; hyb. 1. 

 Dist. Char, a broken macular band f.w. and h.w. up.s. ; yen. 2 

 eye-spots f.w. and 1 h.w. 



H. Briseis, L. (lanthe major, Esp. ; lanthe minor, 



Brh-h.) ; 52mm. 



