SNAKES. 10/ 



6. Zamenis dahlii. 



Savigny, Descript. de VEg. Suppl. t. 4. f. 4. Tyria dahlii, Fitz. 

 Neue Class. Rept. p. 60; Bonap. Faun. Ital. pi. . Coluber 

 ocellatus, Menetries. Tyria naiadum, Eichw. Faun. Caspio-Cau- 

 cas. t. 27. Psammophis dahlii, Schleg. Ess. pi. 8. f. 12, 13. Za- 

 menis dahlii, Dum. §• Bibr. vii. p. 692. 



Habit very slender; above uniform greenish, without any 

 streaks on the crown ; on each side of the neck a series of large 

 brown, yellow-edged round spots. Scales smooth, in nineteen 

 rows ; upper labials eight, the fourth and fifth shields touching 

 the eye (sometimes the third is divided into two); occipital shields 

 behind broad, rounded. 



a. Adult. Dalmatia. From the Leyden Museum. 



b. Adult. Dalmatia. Presented by Dr. Heckel. 



c. Adult. Dalmatia. 



d. e. Adult. ^ Xanthus. Presented by Sir Charles Fellows. 

 /. Adult. Xanthus. From the Haslar Museum. 



g. Adult. North Africa. From Mr. Argent's Collection. 

 h. Adult. North Africa? greatly injured. 



i. Adult. North Africa ? From the Collection of the Zoological 

 Society. 



The three last specimens uniform greenish above, without con- 

 spicuous spots on the neck. 



8. Coryphodon, Dum. S)- Bibr. 



Body and tail generally elongate and compressed, sometimes 

 very slender, sometimes moderate ; head with fiat crown, rounded 

 muzzle and moderate rostral shield. Loreal entire or divided ; 

 anterior oculars one or two, posterior two or three. Scales elon- 

 gate, rhomboid, in fourteen to nineteen rows (in one species in 

 twenty-three). Maxillary teeth gradually larger and longer be- 

 hind, smooth. East Indies ; America; Africa. 



Coryphodon, Dum. Sf Bibr. vii. p. 178. Natrix, sp., Coluber, 

 sp., auct. prior. 



1. Coryphodon pantherinus. 



Merrem, Beitr. ii. t. 1 1 . Panthe'rine, Daud. Hist. d. Rept. vi. 

 p. 318. Coluber compressus, Hermann, Observ. Zool. p. 285 ; 

 Merr. Tent. pp. 102 & 107. Coluber capistratus, Licht. Catal. 

 p. 104. Natrix scurrula, Spix, Serp. Brusil. pi. 8. Coluber 

 lichtensteinii, Wied, Nova Act. xii. pi. 46, and Abbildg. pi. 15. 

 f. 1; Beitr. p. 305; D'ugler, Descript. et Icones, fasc. i. t. 4 ; 

 Boie, Isis, 1^27, p. 537; Schleg. Ess. t. 5. f. 13, 14. Corypho- 

 don pantherinus, Dum. 8f Bibr. vii. p. 181. 



