ELAPS COLLARIS. 173 



posterior, (3 mm., 2.6 mm.) ; anterior in contact with the first 

 to the fourth labial, posterior with the fourth labial only. 

 Coloration. Time and the preservative have altered 

 the original colours to a seal brown above and a muddy- 

 cream below. The tip of the snout brown, involving the 

 rostral and internasal shields. A light band crosses the 

 snout covering the first and second supralabials, the two 

 nasals, and the anterior one third of the prefrontal shields. 

 The top and sides of the head are brown; involving the 

 frontal, the posterior two thirds of the prsefrontals, the 

 supraoculars, the parietals, the azygos shield behind the 

 parietal mutual suture, the preeoculars, the postoculars, the 

 posterior temporal, the third, fourth, fifth, sixth, and the 

 anterior superior angle of the seventh supralabial shields. 

 A light nuchal band, covering the adjacent halves of two 

 scales in the median row, and three scales on the side of 

 the neck; below the posterior margin of this collar is in 

 line with the anterior margin of the first ventral shield. 

 The lower surface of the head is light; on either side of 

 the lower lip there is a dark spot covering the third, 

 fourth, and fifth infralabial shields. The body above is a 

 uniform seal brown, becoming a trifle darker posteriorly. 

 Below there are forty-three light spots, these cover as a 

 rule three to four gastrosteges. These spots extend on the 

 sides of the body as a triangular mark, covering usually 

 two scales in the first row and one scale in the second 

 row ; occasionally these lateral extensions are larger and 

 cover three scales in the first row, two in the second row, 

 and one in the third row. These spots are separated from 

 ■ each other by from . one to two dark ventrals ; spots num- 

 ber sixteen -to twenty and thirty-six to forty-three are 

 confluent. Tail cream coloured; a saddle mark seven scales 

 long above and crossing the eighth pair of urosteges below ; 

 behind this another spot five scales long and four scales 

 wide; the last spot cPwers four dorsal scales and the upper 

 half of the conical terminal scale. 



Anatomy. The nostril is situated above the suture 

 between the first and second supralabial. The eye is 



Notes from tlie Leyden IMuseuin, Vol. XXXV. 



