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below, with two black rings each variegated with yellow. Belly 

 red. 



Grows to 12 inches. (Tail 09.) 



Inhabits Tenasserim and Bengal (?) 



E. maculiceps, Giinther. 



E. melanurus, Cantor (not Shaw). 



Colour uniform pale brown, with a chain of 36 distant, not 

 very distinct black dots down either side of back. Crown of 

 the head black, giving off a broad streak behind the eye, and 

 uniting with a black collar on the nape. A subterminal black 

 ring on the tail and a broader one at the base, expanded above 

 into a rhomboidal escutcheon, with a narrow black median line 

 above the tail. 



Grows to 24 inches. A Rangun specimen measured 19'25 

 inches. (Tail 1-25.) 



Inhabits Pegu, Tenasserim and the Malayan Peninsula, 



C. nigrescens, Giinther. Monog. I. R., p. 351. 



C. concinnus, Beddome. Mad. Quar. J. Med, Sen., VI, 

 45, pi, 1, f. 2. 

 Upper parts blackish ash. Lower parts red. Crown of the 

 head symmetrically marbled with black, a black spot below the 

 eye, another descends from the occipital to the gape. A black 

 horse-shoe collar, with its ends directed forwards. A narrow 

 black vertebral line slightly edged with yellowish runs from the 

 collar to the tip of the tail. A series of small ovate black spots 

 indistinctly edged with whitish along each side of the trunk 

 anteriorly. Anal entire or bifid. 

 Grows to 48 inches. (Tail 5.) 

 Inhabits the Nilghiri and Shevroy Hills, and the Wynaad. 



C. cerasinus. Bed. Mad. Mon. J.Med. Sci., 1867, p. 15, pi. II, f. 5. 



" Rostral slightly produced back between the anterior frontals. 

 Anterior frontals only half the size of the posterior, the latter 

 touch the orbit. No loreal and no anteocular. Nostril between 

 2 nasals. 7 upper labials, 3rd, 4th and 5th very high. 3rd 

 and 4th enter the orbit. 1 small postocular. Vertical 6-sided, 



