143 



frontal more broad than long, as long as the praefrontals, 

 less than half as long as the parietals; internasals small; no 

 azygous shield separating the latter; supraoculars, loreals, prae- 

 oculars and temporals absent; two postoculars; six upper 

 labials, third and fourth entering the eye, fifth largest, in 

 contact with the parietal; three lower labials in contact with 

 the anterior chin-shields; latter slightly longer than the poste- 

 rior. Scales in 15 rows; ventrals 133; anal entire; subcaudals 25. 



Uniformly dark bluish grey; head and neck slightly paler 

 below. Length of head and body 137 mm.; tail 18 mm. 



Type-specimen examined in the British Museum. 



Habitat: N. Borneo (Sawa!), 



32. Agrophis F. Miiller. 



(F. Miti.i.ER, Verb. Natur. Ges. Basel X p. 827, 1894). 



Head small, not distinct from neck; eye very small; pupil 

 round; nostril between two nasals, the anterior nasal very 

 small; praeocular and temporals absent; loreal and praefrontal 

 entering the eye; internasals and supraoculars very small. 

 Maxillary teeth 14, about equal; mandibular teeth decreasing 

 in size posteriorly. Body round, covered with smooth scales 

 without pits, in 15 rows; ventrals rounded. Tail short; sub- 

 caudals in two rows. 



Distribution. Borneo; Celebes. 



Key to the In do-Australian species. 



A. Five upper labials. 



I. Ventrals 139 — 164; subcaudals 36 — 40 . . . . i. A. sarasinormii. p. 143. 

 II. Ventrals 113; subcaudals 26 2. A. saravacoisis p. 144. 



B. Six upper labials; ventrals 141; subcaudals 43 . 3. A. alboniichalis p. 144. 



I. Agrophis sarasinorum F. Miiller. 



Agrophis sarasinorum^ F. Miiller, op. cit., with text-fig. 



Agrophis sarasinorum^ Boulenger, Proc. Zool. Soc. 1897, p. 222, pi. XIII, fig. I. 



Snout long, obtusely pointed; rostral large, visible from 

 above; internasals small; praefrontals twice as long as the 

 nasals; frontal large, rhomboidal, as long as its distance from 

 the tip of, the snout, shorter than the parietals; supraocular 

 very small; no praeocular; loreal and praefrontal entering the 

 eye; postocular minute; five upper labials, third and fourth 



