260 COLUBSIDiB. 



a-d. d (V. 132, 135 ; 0. 63, Rio Grande do Sul. Dr. H. v. Ihering [0.]. 



62), ? (V. 138 ; 0. 61), & 



hgr. (V. 134 ; 0. 63). 

 e. Hgr. d (V. 128 ; 0. 61). Uruguay. 



4. Contia decemlineata. 



Ablates decemlineatus, Dum. 8f Bibr. yii. p. 327 (1854) ; Giinth. 



Froc. Zool. Soo. 1864, p. 489. 

 Eiienis coUaris, vara, inornata, decemlineata, et quadrilineata, Jan, 



Arch. Zool. Anat. Phys. ii. 1863, p. 256, and Icon. G4n. 15, pi. iv. 



figs. 2-4 (1866). 

 decemlineatus, F. Miill. Verh. nat. Oes. Basel, vi. 1878, 



p. 595. 



inornatus, F. Miill. I. c. 



Ablabes modestus, vars., Boettg. Ber. Sench. Oes. 1879-80, p. 144. 

 Homalosoma modestus, part., Peracoa, Boll. Mus. Torino, ix. 1894, 



no. 167, p. 14. 



Eostral as deep as broad or a little broader than deep, just visible 

 from above ; nasal undivided ; suture between the internasals as 

 long as or a little shorter than that between the prasfrontals ; frontal 

 narrow, at least twice as long as broad, rot broader than the supra- 

 ocular, as long as or a little longer than its distance from the end 

 of the snout, shorter than the parietals ; loreal considerably longer 

 than deep ; one (rarely two) prse- and two postoculars ; temporals 

 1+2 or 1+3; seven upper labials, third and fourth entering the 

 eye ; four, rarely five, lower labials in contact with the anterior 

 chin-shields ; posterior chin-shields as long as or a little shorter than 

 the anterior and in contact with each other. Scales in 17 rows. 

 Ventrals 152-175 ; anal divided ; suboaudals 64-85. Pale brown 

 above, uniform or with black longitudinal lines arranged in pairs ; 

 no dark cross band on the nape ; lower parts uniform white. 



Total length 730 millim. ; tail 160. 



Syria. 



a. (S (V. 164 ; 0. 73). Lebanon. Canon Tristram [0.1. 



b-e. (S (V. 168, 170 ; 0. 76, 75), Merom. Canon Tristram [0.]. 



$ (V. 176; C.66), & yg. (V. 



167; C. 73). 

 f-h, i, k. S (V. 166, 167, 168, 168 ; Galilee. Canon Tristram [0.1. 



C. 78, 81, 76, ?) & ? (V. 159 ; 



C. ?). 

 /. Hgr. (V. 162 ; C. 86). Mt. Hermon. Canon Tristram [C.]. 



5. Contia collaris. 



Coluber collaris, MSnetr. Cat. Mais. p. 67 (1832). 



nigricollis, Dwigubshy, Nat. Hist. Suss. Emp., Amph. (Russian), 



p. 26 (18-32). 

 reticulatus {rum M^nSir.), Krynicky, Bull. Soc. Nat. Mosc. 1837, 



p. 60. 

 Ooronella modesta, Martin, P-oc. Zool. Soc. 1838, p. 82. 

 Tyria argonauta, Eichw. Bull. Soc. Nat. Mosc. 1839, p. 306, and Faun. 



Casp.-Cauc. p. 114, pi. xxvi. figs. 1 & 2 (1841). 



