124 Stej — A Y -77 - 6 [•€ fr T" 'J.a. 



terior nasal being hollowed on - is is - "he loreal though to a less ex- 

 tent, the frw nasals s :d the loreal subequal in size: eye lar_ - ..ori- 

 zontal diameter as long - ts .nee from ai the ver: 



diameter greater than - -ance from the edge of the - eye sur- 

 rounded by a ring of 10 (or 11 on one - shields including .the supra- 

 ocul 8 s 2 — 3: S supralabials, - . and seventh 



mental very small; 9 lower labia - pair large, broadly in contact 



behind mental, first, second and third in contact •with chin-shield: 

 one pair of large chin-shields, in contact behind with four scale-like 



s. the outer pair of which, whi :he posterior c 



shields, scarcely more developed than the others: 25 rows of sc; 

 around the middle of the body. 19 rows a head-length anterior to 

 Ltei row smooth, the next very feebly carinated, the ke es 

 creasing in ~> towards the back: 114 ventrals: anal divided: 



- of subcaudals. Color above sepia brown darker on the median 

 becoming paler on the - - the back with 15 whitish cross-bands 

 wh; sn on the s -here they enclose a roundish brownish-black 



cross- - :thout lateral spots: head with 



a brownish-black band across the prefrontals, with an anterior projection 

 on the suture between the intern this prefrontal band extending 



obliquely backwards through the eyes to the angle of the mouth: a simi- 

 lar band runnir .. .el with it from the pai - :o the sides of the 

 ning a large ob. . Irish ] itch on each side of the neck: be- 

 n these, on the nape, an elongate median blackish spot; a brownish 

 k symmetrical figure of irregular outline on fronto-supraocular- 

 par: .ire: a pale irregular band spotted with dusky across middle 

 of frontal and supraoculars: underside clouded with brownish gray, 

 leaving the middle of the ventrals more or less uniform pale. 

 — 1 - - mm.; tail. 88 mm. 

 The young specimen (TJ. S. X. M. 2so. 32,089), apart from slight devia- 

 tions in the scale formula, which may be seen in the subjoined table, 

 _ es completely with the two large specimens. Its ground color is less 

 brownish, inclining as it does to purplish gray, and there is an additional 

 lateral row of irregular blackish spots below the ocelli of the dorso- 

 lateral cross-bands. 



Scale formula. 



