3iJ8 COLUBRin.'E. 



with the anterior chin-shields ; posterior chin-shields longer than the 

 anterior, and separated from each other hy small scales. Scales in 

 19 rows, smooth, very narrow, with a single apical pit. Ventrals 

 very distinctly angulate laterally, 205-218; anal divided; sub- 

 caudals U8-132. Olive anteriorly, with a few black, white-edged 

 spots on each side, the anterior of which is sometimes confluent 

 with its fellow and forms a nuchal collar ; head uniform olive-brown 

 above, labials, prte- and postoculars yellowish white; the greater 

 part of the body uniform pale olive, yellowish, or pale reddish 

 brown ; uniform yellowish white interiorly. 



Total length 1080 millim. ; tail 340. 



Southern Europe east of the Adriatic, Asia Minor, Transcau- 

 casia, North-western Persia, Syria, Lower Egypt. 



a. S (V. 210; C. 114). Zara, Dalmatia. Count M. G. Peracca 



[P.]. 



h-c. Hgr. (V. 217 ; C. 126) Spalato, Dalmatia. Prof. Kolombatovic 



& yg. (V. 213 ; C. 114). [P.]. 



d, e. S (V. 213, 212 ; 0. Dalmatia. 



121, 126). 



f. J (V. 210 ; C. 127). Xanthus, Asia Minor. Haslar Collection. 



^y-h. S (V. 211, 208; C. Xanthus. Sir C. FeDows [P.]. 



124. 132). 



?■. c? (V.218; C. 131). Budrum, Ruins of H.M.S. ' Supply.' 



Ilalicarnassus. 



k-l. Hgr. (V. 212, 205 ; Mt. Tabor. Canon Tristram [C.]. 



c.'?;?). 



16. Zamenis rhodorhachis. 



Zamenis ventrimao.ulatus, part., G'dnth. Caf.\>. 106 (1858), andZool. 



Rec. 1872, p. 73 ; StoUczka, Proc. As. Soc. Bang. 1872, p. 130 



Blanf. Zool E. Fers. p. 414 (1876). 

 rhodorncbis, Jan, in De Fitippi, Via(j(j. in Pers. p. 356 (1865) 



Boulenf]. Proc. Zool. Soc. 1891, p. 632. 

 ladacensis, Anders. Journ. As. Soc. Beng. xl. 1871, p. 16 



Boideng. Faun. Ind., Rept. p. 326 (1890); W. L. Sclater, Journ. 



As. Soc. Beng. Ix. 1891, p. 238. 

 Gonyosoma dorsale, Anders. Proc, Zool. Soc. 1872, p. 395, fig. 



Snout moderately projecting, obtuse. Rostral a little broader 

 than deep, the portion visible from above measuring one fourth or 

 one third its distance from the froiital ; internasals as long as or 

 shorter than the prsefrontals ; frontal anteriorly considerably 

 broader than the supraocular, about once and a half as long as 

 broad, as long as its distance from the end of the snout, shorter 

 than the parietals ; loreal usually longer than deep ; one prieocular, 

 usually in contact with the frontal ; a subocular below the praB- 

 ocular ; two postoculars; temporals 2-|-3 (rarely 24-2); nine 

 upper labials, fifth and sixth entering the eye : four or five lower 

 labials in contact with the anterior chin-shields ; posterior chin- 

 shields longer than the anterior, separated from each other by 

 scales. Scales smooth, in 19 rows. Ventrals obtusely angulate 

 laterally, 214-262; anal divided; subcaudals 113-154. Greyish 



