AMBLYCEPHALUS. 209 



Si/nojisis of the Species. 



I. A single shield between the nasal and the 

 eye ; one or two labials entering the eye. 



Six upper labials ; synipbysial in contact with an 



azygous chin-shield ; ventrals 148-176 .... A. Icevis, p. 209. 

 •Seven upper labials; symphysial in contact with 



an ateygous chin-shield; ventrals 154-170 . . A. malaccanus, p. 209. 

 Seven upper labials ; first lower labial forming 



a suture with its fellow behind the syni- 



physial ; ventrals 183-194 A. rertebralis, p. 210. 



II. Loreal and prjeocular distinct ; upper 

 labials separated from the eye by one 

 or two siiboculars ; sympliysial in con- 

 tact with a pair of chin-?hields ; ventrals 

 136-1 59 A. moelleiuhrffi, p. 210. 



528. Amblycephalus laevis. 



Boie, Isis, 1827, p. 520 ; Bouleng. Faun. Brit. Lid., Rept. p. 416 

 (1890) ; id. Oat. Sn. iii, p. 441 (1896) ; Laidlaw, P. Z. S. 1901, 

 ii, p. 581. 



Fareas Imis, Giinth. Rept. Brit. Ind. p. 328 (1864). 



Eostral a little broader than deep ; frontal as long as broad or 

 a little broader than loug, as long as or a httle louger than its 

 distance from the end of the snout, two thirds the length of the 

 parietals ; supraocular very small ; prsefrontal and loreal entering 

 the eye ; no prseocular; one or two postoculars ; temporals 2-J-2; 

 6 upper labials, third and fourth, or third, fourth, and fifth entering 

 the eye, sixth veiw long ; symphysial in contact with a small 

 azygous chin-shield ; third lower labial very large, forming a 

 suture with its fellow ; two pairs of large chin-shields, broader than 

 long. Scales in 15 rows, smooth, vertebrals enlarged. Ventrals 

 148-176 ; anal entire ; subcaudals 34-69. Brown above, with 

 irregular transverse blackish cross-bands ; sides dull orange ; 

 lower parts brownish or yellowish, spotted with brown or with 

 transverse brown spots on the sides. 



Total length 545 millim. ; tail 05. 



Java, Borneo, Natuna Islands, and Malay Peninsula. Dr. 

 Annandale obtained a single specimen on the boundary between 

 Legeh and Ehaman ; its native name was given as Ular Jcapak 

 rimau or " tiger axe-snake." 



229. Amblycephalus malaccanus. 



Asthenodipsas inalaccaiia, Peters, Mou. Berl. Ac. 1864, p. 27, 



pi. -, lig. 3. 

 Amblycephalus vialaccanus, Bouleng. Cat. Sn. iii, p. 442 (1906). 



Rostral a little broader than deep ; frontal as long as broad or 

 a little broader than long, as loug as or a little longer than its 

 -distance from the end of the snout, much shorter than the 



p 



