60. COtTIBEE. 65 



neck -wifcli four interrupted black stripes ; a dorsal series of 00- 

 shaped black markings, and a series of smaller markings on each 

 side ; lower parts yellow, posteriorly with squarish black blotches. 



Total length 1500 miUim. ; tail 230. 



Mexico and Guatemala. 



a. c? (V. 244; 0. 69). Duenas, Guatemala. 0. Salvin, Esq. [C.]. 



41. Coluber scalaris. 



Coluber scalaris, Schinz, Cuv. Thierr. ii. p. 123 (1822) ; Soie, his, 



1827, p. 536. 

 hermanni, Desmarest, Faune Franq., Rept. pi. xix. (1826) ; 



Lesson, Act. Soc. Linn. Bord. xii. 1841, p. 58. 

 Rhinechis agassizii, Michahelles, in Wagl. Icon. Amph. pi. xxv. 



(1833). 

 Coluber agasaizii, Diigk, Ann. So. Nat. (2) iii. 1835, p. 139; 

 Xenodon michahelles, Schleg. Phys. Serp. ii, p. 92 (1837). 

 Rbinechis scalaris, Bonap. Icon. Faun. Itat. (1838) ; Bum. %■ Bibr. 



vii. p. 227 (1854) ; CHinth. Cat. p. 85 (1858) ; Jan, Icon. G6n. 20, 



pi. i. (18G7) ; De Betta, Faun. Ital, Rett. Anf. p. 39 (1874) 



Sckreib. Serp. Fur. p. 290 (1875) ; Bedriaga, Amph. 8f Mept. 



Portug. p. 73 (1889). 



Snout strongly projecting ; rostral deeper than broad, forming an 

 acute angle posteriorly, wedged in between the internasals, the 

 portion visible from above nearly as long as its distance from the 

 frontal; internasals shorter than the prsefrontals ; frontal about 

 once and one third as long as broad, as long as or shorter than its 

 distance from the end of the snout, nearly as long as the parietals ; 

 loreal longer than deep ; one prse- and two or three postooulars ; 

 temporals 2 + 3 or 2+4; seven or eight upper labials, fourth or 

 fourth and fifth entering the eye ; four or five lower labials in 

 contact with the anterior chin-shields, which may be either longer 

 or shorter than the posterior. Scales smooth, in 27 (rarely 25 or 29) 

 rows. Yentrals 201-220 ; anal divided (rarely entire) ; subcaudals 

 48-68. Toung yellowish or pale brown above, with a series of 

 regular H-shaped black or blackish-brown markings along the 

 back, and small black spots on the sides ; a V-shaped black marking 

 on the snout, a black streak from the eye to the angle of the mouth, 

 and a black spot below the eye ; belly yellow, spotted or checkered 

 with black, or nearly entirely black. These dorsal markings dis- 

 appearing in the adult, and replaced by a pair of brown stripes 

 running along the back ; the belly uniform yeUow. 



Total length 925 millim. ; tail 160. 



South of France, Pyrenean Peninsula. 



a. (J (Sc. 27 ; V. 207 ; C. Near Nice. Dr, F. Werner [E.] 



62). 

 h. Yg. (Sc. 27; V. 210; MontpeUier, 



C. 58). 

 c. $ (Sc. 27; V. 213; Spain. Lord Lilford [P.]. 



C. ?). 

 VOL. n. !■ 



