596 DR. A. GtTNTHER ON BORNEAN [Ap*- 16, 



and with the supraciliary edges parallel and rather shorter than the 

 anterior ; occipitals rounded behind, nearly as long as vertical and 

 frontals together ; nasal shield entirely divided ; loreal longer than 

 high ; eye rather small, surrounded by six or seven scale-like shields, 

 besides the supraciliary. Upper labials nine, all small. Temporals 

 1+2 + 2; three pairs of chin-shields, the middle the largest. Ven- 

 trals 209 ; anal bifid ; subcaudals sixty-two. Olive-brown ; a yel- 

 lowish line proceeds from each temple, along the side of the back, 

 and soon disappears ; the three outer series of scales black. Abdo- 

 men whitish, each ventral shield blackish on the front margin ; 

 lower side of the head and tail black. 



Two specimens from Matang, the larger of which is 15f inches 

 long, tail 2| inches. 



Tropidonottjs sarawacensis. 



Tropidonotus maculatus, Peters, Berl. Monatsber. 1871, p. 5/5. 



The name proposed by Professor Peters cannot be retained, be- 

 cause it has been used by Edeling, in 18G5, for another Bornean 

 species. 



We possess three specimens from Matang, which differ in some 

 respects from the description given by Professor Peters : the scales 

 are in seventeen rows only ; eight upper labials, the third, fourth, 

 and fifth entering the orbit. 



The shape of the head and the large square spots on the abdomen 

 are characteristic of this species. 



Tropidonotus conspicillatus. (Fig. 4.) 



Body of moderate length ; head small, short, depressed ; eye of 

 moderate size. Scales in nineteen rows, all keeled. Ventrals 140; 

 anal bifid ; subcaudals fifty. Anterior frontals obtusely rounded in 

 front ; loreal square ; one prseocular, just reaching to the upper 



Fig. 4. 



surface of the head ; three postoculars ; eight upper labials, the third, 

 fourth, and fifth entering the orbit ; temporals 1 + 3 or 2. The 

 last maxillary tooth is much larger than the preceding, but separated 

 from it by a very slight interval only. Brown, with a network of 

 indistinct darker spots, and with a series of short yellow vertical bars 

 along each side. An oblique yellow black-edged band from the eye 



