184/.] Malayan Peninsula and Islands. 925 



and purple with black-edged scales. Beneath pale yellow, scutella 

 minutely dotted and edged with brown. Iris pale golden, minutely 

 dotted with purple ; pupil elliptical vertical ; tongue whitish. 



Scuta 275, Scutella 158. 

 Habit. — Pinang, Malayan Peninsula. 



Java, Tenasserim. 

 A young one was captured on the Great Hill of Pinang by W. T. 

 Lewis, Esq. An adult, killed in Province Wellesley, was of the follow- 

 ing dimensions. 



Length of the head, ft. If inch. 



Ditto ditto trunk, 4 Of 



Ditto ditto tail, 1 4 



5 ft. 5-} inch. 



Circumference of the neck, If, of the trunk, 2f inch. 



The young had 21, the adult 23 longitudinal series of smooth, 

 lanceolate, imbricate scales. The long maxillary and palatal teeth are 

 disproportionally less developed in the young than in the adult. 



Dipsas boa, (H. Boie.) (See Plate, Fig 3.) 



Syn. — Amblycephalus boa, H. Boie : Isis. 

 Dipsas boa, apud Schlegel. 



Ground colour above : rose-coloured washed with brown, varying in 

 intensity and shade from light bay to umber, prevailing so as to make 

 the ground colour appear as minute spots, and with numerous irregular 

 black spots, confluent on the head ; cheeks and lips carnation, with a 

 vertical black streak from the middle of the orbit. Beneath carnation, 

 dotted with umber, sometimes assuming the shape of large irregular 

 spots. Iris : silvery rose-coloured, lower half dotted with black, pupil 

 elliptical, vertically contracted by the light ; tongue whitish. 



Scuta abdominalia 164, Scuta subcaudalia 112; or 170-f-109. 



Habit. — Pinang. 

 Java. 



The head is depressed, elongated, corneal, with the muzzle truncated ; 

 the rostral shield is very large, vertically placed ; the cheeks com- 

 pressed, but the lips very tumid below the eyes. Of the nine crown 

 shields the occipitals are distinguished by their reduced size, and 



O D 2 



