259 



a little broader than the supraocular, one time and a half as 

 long as broad, shorter than its distance from the tip of the 



Fig. 101. Ultrocalamus preussi Sternf. )\ 3 / t . 



snout, half the length of the parietals; one postocular; no 

 anterior temporal, the parietals forming a suture with the last 

 labial; five upper labials, second and third 

 entering the eye; three lower labials in 

 contact with the anterior chin-shields, 

 which are larger than the posterior. Scales 

 in 13 rows; ventrals 300 328; anal entire; 

 subcaudals 16 48; tail ending in a com- 

 pressed obtuse scute, obtusely keeled 

 above. 



Dark brown above, the scales edged 

 with dark; two outer rows of scales yel- 

 lowish, each scale with a brown centre; 

 a broad yellowish band across the head 

 on the parietals, disappearing .with age; 

 upper lip yellow. Lower surface yellowish, 



each ^^ ^ subcaudal with a brown 



bar; throat yellow. Length of head and body 730 mm.; tail 35 mm. 



Habitat: N. New Guinea (Sermowai river!, Humboldt 



Bay!, Njao on Tjano river!, Seleo Island near Berlinhafen). 



Fig. 102. Ultrocalamus 

 prcussi Sternf. Head of 



young specimen. X 7- 



