BIHANG TILL K. SV. VET.-AKAD. HANDL. BAND 27. AFD. IV. N:0 5. 11 



Measiiremeuts and uumbers of the shields of the specimens. 



Catalogue number. 



Total length 



Length of the tail 



Length of tbe head (distance 

 between the nose and the 

 hind margin of the parietals) 



Greatest breadth of the head 



Longitudinal diameter of the 

 eye 



Distance from the eye to the 

 snout 



Number of ventrals 



•> » subcaudals .... 



Thrasops splendens. Spec. nov. 



Plate I, figure 8. 



Maxillary teeth 22 or 23, the three posterior very enlarged 

 and by a short interspace separated from the other, which 

 are small and equal in size. Mandibular teeth about 20, de- 

 creasing in size behind. All teeth solid. Head large, very 

 distinct from neck. Eye large, Vs of its distance from the 

 tip of the snout; pupil round. E-ostral much broader than 

 deep, well visible from above. Internasals as long as broad, 

 the snture between them as long as that between the pree- 

 frontals, which are considerably broader than long. Frontal 

 hexagonal, nearly twice as broad in front as behind, as long 

 as its distance from the tip of the snout and sligthl}'' shorter 

 than the parietals, about as large as the supraoculars. Nostril 

 lateral, very large, in the posterior part of a semidivided 

 elongate nasal. Loreal elongate, twice as long as deep. One 

 prseocular, high and narrow, not reaching the frontal. Two 

 postoculars, narrow and falciform, the inferior reaching to 

 below the eye. Temporals 1 + 2 ; the superior of the two 

 posterior very large and similar to a posterior parietal. 



1 The tail mntilated. 



