78 



and the side of the neck. Lower surface black with whitish 

 dots or pale brown, dotted with black. Length of head and 

 body 425 mm.; tail 75 mm. 



Habitat: Ternate; Halmahera!; Batjan. 



4. Tropidonotus celebicus (Ptrs. & Doria). 



Styporhynchus celebictis^ Peters & Doria, Ann. Mus. Civ. Genova XIII 1878, p. 386. 

 Tropidonotus celebicus^ Boulenger, Cat. Sn. I 1893, p. 216. 



Snout truncate; eye moderate; rostral more vertical than in 

 the preceding one; internasals quadrangular, shorter than the 

 praefrontals; frontal longer than its distance from the tip of 

 the snout, shorter than the parietals; one prae- and three post- 

 oculars ; temporals i -f 2; eight upper labials, third to fifth 

 entering the eye; four lower labials in contact with the anterior 

 chin-shields ; latter shorter than the posterior. Scales keeled, 

 smooth anteriorly, in 15 rows; ventrals 125 — 142; anal divided; 

 subcaudals 45 — 53. 



Brown above, with or without three longitudinal blackish- 

 brown bands, separated by yellow streaks; a black collar, edged 

 posteriorly with a yellow band, anteriorly with two yellow 

 spots; neck sometimes with light transverse bands; lips white, 

 powdered with black. Lower surface yellow, uniform or dotted 

 with black. Length of head and body 360 mm.; tail 90 mm. 



Habitat: Celebes! (Kandari, Buol 2000 feet). 



5. Tropidonotus novae-guineae Lidth. 



Tropidonotus novae-gtiineae^ v. Lidth de Jeude, Nova Guinea, Vol. IX Zool. 

 1911, p. 271. 



Eye as large as its distance from the centre of the nostril. 

 Rostral about twice as broad as deep, visible from above; 

 internasals as long as the praefrontals, broadly truncate ante- 

 riorly; frontal broad, as long as its distance from the tip of 

 the snout, shorter than the parietals; loreal more deep than 

 long; two prae- and three or four postoculars; temporals 2 + 2, 

 the lower anterior not in contact with the postocular; eight 

 upper labials, fourth and fifth entering the eye; four or five 

 lower labials in contact with the anterior chin-shields. Scales 

 in 15 rows, keeled; ventrals 137; anal divided; subcaudals 52. 



Grey above, with black spots arranged in transverse rows; 

 behind the head and near the tail these spots form trans- 



