1895.] Olf A NEW SlfAKE ANT) A NEW PEOGt. 867 



7. Descriptions of a new Snake and a new Frog from North 

 Australia. By G. A. Boulenger, F.R.S. 



[Received November 26, 1896.] 



(Plate XLIX.) 



The Snake and Frog which I propose to describe form part of 

 a collection made by Dr. Dahl in North Australia, and submitted 

 to me for identification by my friend Prof. Collett. The collection 

 is preserved in the Zoological Museum at Christiania, but I have 

 been allowed to retain duplicates for the British Museum. 



TXPHLOPS NIGEICAUDA. (Plate XLIX. fig. 1.) 



Snout very prominent, rounded ; nostrils inferior. Eostral 

 broad, more than half the width of the head, extending to the 

 level of the eyes ; nasal incompletely divided, the cleft proceeding 

 from the second labial ; prseocular present, a litl^le narrower than 

 the nasal or the ocular, in coctact with the second and third 

 labials ; eyes distinguishable ; prsefrontal and supraoculars con- 

 siderably enlarged ; four upper labials. Diameter of body 70 to 

 80 times in total length ; tail p little longer than broad, ending in 

 a spine. 18 scales round the body. Brown above, yellowish 

 below ; end of snout vellow ; tail black. 



Total length 315 millim. 



Two specimens from the Daly Eiver, North Australia. 



Chiboleptes dahlii. (Plate XLIX. fig. 2.) 



Physiognomy of Bana esculenta. Tongue circular, slightly 

 nicked behind. Vomerine teeth in transverse oval groups between 

 the choansB. Head as long as broad ; snout rounded, slightly 

 longer than the diameter of the orbit, with indistinct canthus and 

 very oblique, slightly concave lores ; nostril equally distant from 

 the eye and the end of the snout; interorbital space narrcver 

 than the upper eyelid ; tympanum very distinct, as large as the 

 eye or a little smaller. Fingers moderate, first longer than 

 second ; toes moderate, webbed to the tips ; subarticular tubercles 

 very small ; a very small oval inner metatarsal tubercle, measuring 

 about one-fourth the length of the inner toe ; no outer metatarsal 

 tubercle. The tibio-tarsal articulation reaches the anterior border 

 of the eye. Skin smooth ; a fold above the tympanum. Dark 

 olive above, with a paler vertebral streak ; a blackish cauthal 

 streak ; sides of body marbled with black and spotted with white ; 

 hinder side of thighs marbled black and white ; lower parts white ; 

 sides of throat and lower surface of limbs with small blackish 

 spots. Male with internal vocal sacs. 



From snout to vent 70 millim. 



Two specimens, male and female, from the Daly Eiver, North 

 Australia. 



EXPLANATION OF PLATE XLIX. 

 Fig. 1. Typhlofs nigricwuda. 



la. „ „ Upper view of head, X6. 



1 b. „ „ Side view of head, X 6. 



2. Chirole'ptes dahlii, (S . 

 2a. „ „ 6- Open mouth. 



