46 



Coluber pictus, Pall. 1. c. p. 4-1. 



xanthotfaster, Andrzejowsky, Nouv. M6m. Soc. Nat. Mosc. ii. 



1832, p. 333, pi. xxiii. 



alp&stris, M6nttr. Cat. Rais. p. 68 (1832). 



- pcecilocephalus, FUch. de Wuldh. Butt. Soc. Nat. Mosc. iv. 1832, 



p. 575. 



Elaphe parreysii, Wagl. Icon. Amph. pi. xxvii. (1833). 

 Natrix elaphis, Bonap. Icon. Faun. Ital. (1834). 

 Elaphis quadrilineatus, Bonap. Mem. Ace. Tor. (2) ii. 1839, p. 433; 



De IMta, A Hi 1st. Fen. (3) xiii. 1868, p. 929,'awd Faun. Ital., Rett. 



Anf. p. 43 (1874). 



parreysii, Bonap. 1. c. p. 434. 



Tropidouotus sauromates, Eichw. Faun. Casp.-Cauc. p. Ill, pi. xxv. 



(f84l). 

 Elaphis quaterradiatus, Dum. $ Bibr. vii. p. 254 (1854) ; G'unth. Cat. 



p. 93 (18o8); Bedriaya, Bull. Soc. Nat. Mosc. Ivi. 1882, p. :J()2 ; 



Camerano, Mon. Oftd. Ital., Colubr. p. 37 (1891) ; Minu-Palumbo, 



Nat. Sicil. xii. 1892, p. 52. 

 sauromates, Dum. Sf Bibr. t. c. p. 288 ; Jan, Icon. Gen. 21, pi. ii. 



(1867) ; Strauch, ScM. Russ. R. p. 92 (1873) ; Schreib. Herp. Eur. 



p. 250 (1875) ; Bcdriaga, I. c. p. 306. 

 dione, var. grajca, Jan, Elenco, p. 61 (1863), and 1. c. pi. iii. 



fig.B. 

 cervone, Schreib. 1. c. p. 254 ; Tomasini, Wiss. Mitth. aus Bosn. 



u. Herzeg. ii. p. 608 (_1894). 



Rostral broader than deep, just visible from above ; internasals 

 broader than long, shorter than the praefrontals ; frontal once and 

 one fourth to once and a half as long as broad, as long as its distance 

 from the rostral, shorter than the parietals ; loreal nearly as long 

 as deep ; one praoocular, with a subocular below it ; two or three 

 postoculars; temporals 2 + 3 or 3 + 4; eight (exceptionally nine) 

 upper labials, fourth and fifth (or fifth and sixth) entering the eye ; 

 four or five lower labials in contact with the anterior chin-shields, 

 which are longer than the posterior. Scales in 25 (rarely 23) rows, 

 feebly but distinctly keeled, outer rows smooth. Ventrals 195-234, 

 rounded ; anal divided ; subcaudals 63-90. Young with three or five 

 alternating series of dark brown black-edged spots on a pale brown 

 ground, the dorsal series largest, transversely oval or rhomboidal ; 

 in the specimens from Italy and Dalmatia (C. quatuorlineatus) 

 these spots gradually disappear with ago, and are replaced by a 

 pair of black streaks along each side of the back ; a black oblique 

 streak from the eye to the angle of the mouth ; belly yellow, closely 

 spotted or marbled with brown, the spots usually disappearing 

 with age. 



Total length 1350 millim. ; tail 240. 



Mediterranean coast of France (?), Italy, Dalmatia, Greece, 

 Hungary, Southern Uussia, Cis- and Trancaucasia. 



A. Spots disappearing in the adult, replaced by black longitudinal 

 lines. (C. quatuorlineatuf, Lacep.) 



. rf (V. 213 ; C. 81). Bologna. Prof. J. J. Bianconi 



[P.]. 



