3. VIPERA,. 



483 



\ 



sometimes distinct, but small and rather irregular, the former 

 separated from the supraoculars by two series of scales ; supraocular 

 ■well developed ; 8 to 13 scales round the eye, usually 10 to 12 ; twc 

 (rarely three) series of scales between the eye and the labials ; nasal 

 single, separated from the rostral by a naso-rostral ; temporal scales 

 smooth or feebly keeled ; 9 to 13 upper labials, usually 9 to 11 ; 4 

 (rarely 5) lower labials in contact with the chin-shields. Scales in 

 21 or 23 rows (exceptionally 19 or 25), strongly keeled, outer row 

 more or less distinctly keeled, rarely perfectly smooth. Ventrals 

 134-158 in d , 142-169 in $ ; anal entire ; subcaudals 32-49 in 

 (J, 30-43 in $ . Coloration very variable: grey, yellowish, brown, 

 or red above, with dark markings in the form of paired spots or 

 cross-bars, or with a zigzag band as in V. herus ; usually a /\-shaped 

 dark marking on the back of the head and a dark streak behind the 

 eye ; upper lip whitish, yellowish, or pinkish, with or without dark 

 vertical bars on the sutures between the labials ; yellowish, whitish, 

 grey, or black beneath, with or without darker and lighter markings. 

 Some specimens entirely black. 



Total length : S , 675 millim. ; tail 95. $ , 620 ; 75. 



Prance, as far north as Southern Brittany and Paris ; Pyrenees ; 

 Alsace-Lorraine ; Southern Black Eorest ; Switzerland ; Italy and 

 Sicily ; Southern Tyrol. 



a. Many specimens, c? Nr. Nantes. 



(V. 143-150 ; C. 39- 



43) & 2 (V. 142-157; 



C. 32-36). 

 b-d, e. (3 (V. 145, 144, Argenton, Indre. 



144 ; C. 38, 35, 38) & 



2 (V. 150 ; 0. 33). 

 /-/. t? (V. 160, 151; 



C.44,44)&$(V.157, 



148, 153, 156 ; 0. SB, 



36, 34, 33). 

 m-o. d (V. 151;C.44), 



$ (V.146; C.33),& 



yg.2(V. 141;0.38). 

 ;;. d (V. 137 ; 0. 37). 



Argenton, Indre. 



Cadillac and Talais, 

 Gironde. 



Pau, Pyrenees. 



France. 

 Nr. Geneva. 



Lausanne, 



g. d (V. 152 ; C. 45). 

 r-v. 2 (V. 151, 157; 



C. 34, 35) & yg. d 



(V. 151, 155, 148, 



157;C.40,42,44,41). 

 w-z. d (V. 152, 153, 



151 ; C. 43, 38, 41) & 



$ (V. 152 ; C. 32). 

 a. d (V. 158 ; C. 45). Chateau d'Oex, 3450 ft. 

 0. d (V. 166 ; C. 43). Binn, Upper Wallis, 



3900 ft. 

 y.Yg.d(V.16'2;C.4S). Alps. 

 8-f, I-'- d (V. 148, Viu, Alps of Piedmont. 



153, 155 ; C. 45, 44, 



43) & 2 (V. 147, 156; 



C. 32, 38). 



Messrs. H. & T. Piel 

 de Churchville[P.]. 



M. E. Paratre [P.]. 



M. R. KoUinat [P.]. 



M. F. Lataste [P.]. 



H. A. Hammond, 

 Esq. [P.]. 



G. A. Boulenger, 



Esq. [P.]. 



W. Morton, Esq. 

 [P.]. 



Dr. F. Miiller [P.j. 

 Dr. F. Miiller [P.]. 



Rev. S.W.King [P.]. 

 Count Peracca [P.].' 



'2x2 



