268 



COLTTBRID^. 



shorter than the parietals ; loreal as long as deep or deeper, some- 

 times entering the eye ; two prteoculars ; three or four postooulars ; 

 temporals 2 + 3 or 4; seven upper labials, third and fourth entering 

 the eye ; foar or five lower labials in contact with the anterior 

 chin-shields, which are shorter than the posterior. Scales strongly 

 keeled, in 23 to 27 rows. Ventrals 144-160 ; anal usually divided; 

 subcaudals 35-50. Dull green above, uniform or with traces of black 

 markings ; young with a large ^- or chevron-shaped black mark 

 on the nape and occiput, the point on the frontal shield, bordered 

 posteriorly with bright yellow ; a black band from the eye to the 

 angle of the mouth, and more or less regular transverse black spots 

 or bands on the body ; belly blackish, or ' yellowish with or without 

 brown spots. 



Total length 770 millim. ; tail 90. 



India and Ceylon. 



Subbut Rungee, 



Bengal. 

 N. India. 



V. 149: 



a. $ (So. 23; 



0. 46). 

 b-c. 2 (Sc. 23; V. 160, 



157 ; C. 41, 42). 



d. $ (Sc. 25; V. 148; 

 0. 39). 



e. ? (Sc. 25; 

 0. 43). 



f-ff. d (Sc. 27; V. 1&9; 



C. 45) & yg. (Sc. 25 ; 



V. 154 ; 0. 38). 

 /*, i-m. d (Sc. 25 ; V. 146 ; 



0. 40), hgr. (Sc. 25; 



V. 156; C. 50), & yg. 



(Sc. 23, 23, 26 ; V. 152, 



153,153; 0.40,40,36). 

 n-o. tj (Sc. 25 ; V. 166 ; 



0. 43) & yg. (Sc. 25; 



Y 154; C. 39). 

 p. ? (Sc. 23; V. 156; 



C. 36). 

 q-s. 2 (Sc. 27 ; V. 152 ; 



C. 39), hgr. (Sc. 25; 



V. 144 ; 0. 35), & yg. 



(Sc.25; V. 148; 0.44). 

 t. Yg. (Sc. 23 ; V. 151 ; 



0. 45). 

 u. Yg. (Sc. 27 ; V. 151 ; 



0. 42). 



Sir E. Home [P.]. 



Lanowli, Deccan. 

 V. 156; Poonah. 

 Matheran. 



Madras. 



Anamallays. 



Anamallays,4700 feet. 



Coonoor, Nilgherrie.s, 

 5900 feet. 



Oeylon. 

 Java (?). 



— Hearsey, Esq. 



[P.]. 

 H. Phipsou, Esq. 



[P-l 

 Dr. Leith [P.]. 



Dr. Leith [P.]. 



Sir W. Elliot [P.]. 



Col. Bed dome [C,]. 



W. Davison, 



[P.l 

 W. Davison, 



[CO- 



Dr. Horsfield. 



Esq. 

 Esq. 



12. LIOHETERODOK. 



Leioheterodon, Dum. §• Bihr. Brp. Oin., Atlas, pi. Ixix. (1844). 

 Heterodon, part., Bum. ^ Bihr. Evp. Gin. vii. p. 764 (1854) ; G'dnth. 



Cat. Col. Sn. p. 82 (1858). 

 Anomalodon, Jan, Arch. Zool. Anat. Phys. ii. 1863, p. 227. 



l^axillary teeth 10 to 12, followed, after an interspace, by a 

 pair of strongly enlarged fangs ; mandibular teeth subequal. Head 



