46 COLTJBEID^. 



Coluter pictus, Pall. I. c. p. 45. 



xanthogaster, Andrzejowsky, Nouv. Mim. Soc. Nat. Mosc. ii. 



1832, p. 333, pi. xxiii. 



alpestris, MenHr. Cat. Eais. p. 68 (1832). 



poeoilocephalus, Fisch. de Waldh. Bull. Soc. Nat. Mosc. iv. 1832, 



p. 575. 

 Elaplie 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 ; 



Be Betta, Atti 1st. Ven. (3) xiii. 1868, p. 929, and Faun. Ital., Mett. 



Anf. p. 43 (1874). 



parreysii, Bonap. I. e. p. 434. 



Tropidonotua sauromates, Fichw. Faun. Casp.-Cauc, p. Ill, pi. xxv. 



(1841). 

 Elaphis quaterradiatus. Bum. ^Bihr. vii. p. 254 (1854) ; Oiinth. Cat. 



p. 93 (1858) ; Bedriaga, Bull. Soc. Nat. Mosc. Ivi. 1882, p. 302 ; 



Camerano, Man. Ofid. Ital., Colubr. p. 37 (1891) ; MinorPalumbo, 



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

 sauromates, Bum. 8f Bibr. t. c. p. 288 ; Jan, Icon. OSn. 21, pi. ii. 



(1867) ; Strauch, Schl. Buss. R. p. 92 (1873) ; Schreib. Kerp. Fur. 



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

 dione, var. grteca, Jan, Flenco, p. 61 (1863), aTid I. c. pi. iii. 



fig- B- 



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



u. Herzeg. ii. p. 608 (1894). 



Eostral tiroader thah deep, jnst 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 praeocular, vi^ith a subocular below it ; two or three 

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

 upper labials, fourth and iifth (or fifth and sixth) enteriug 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 age, 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 Kussia, Cis- and Tranoaucasia. 



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

 lines. (C quatuorlineatus, Lacep.) 



a. c? (V. 213 ; 0. 81). Bologna. Prof. J. J. Bianconi 



[P.]. 



