1897.] MB. G. A. BOULENGER ON A NEW TORTOISE. 919 



3. Description of a new Tortoise of the Genus Sternoth(nrus. 

 By G. A. BouLENGEK, F.R.S. 



[Received October 6, 1897.] 



(Plate LIII.) 



Among some living Tortoises from the Society's Gardens, . 

 recently submitted to me for ideutitication, there was a specimen 

 of Sternothcerus, received on deposit on September 30th, which 

 does not fall into the definition of any of the species hitherto 

 described. Its locality is unfortunately unknown, but as it was 

 accompanied by specimens of Stemoihcerus adansoni it probably 

 came from some part of Tropical Africa. 



Steenoth^rus oxyrhinus, sp. n. (Plate LIII.) 



Carapace rather elongate, not serrated behind, with an interrupted 

 keel terminating in a low knob on the second, third, and fourth 

 vertebral shields ; second and third vertebral shields as long as 

 broad, fourth a little longer than broad ; dorsal shields feebly 

 areolate. Intergular shield large, twice as long as broad ; suture 

 between the abdominal shields once and two-thirds as long as that 

 between the femorals, which equals that between the auals ; 

 pectoral shields forming together a very short suture ; outer border 

 of the pectoral shields much shorter than the humerals, equalling l 



the length of the inner border of the latter shields. Hind lobe of ■* 



plastron as broad as the front lobe, which is freely movable, with 

 moderately deep crescentic notch posteriorly. Head large, 

 triangular ; snout as long as the orbit, pointed, strongly projecting; 

 nostrils not visible from above ; upper jaw neither hooked nor | 



bicuspid ; suture between the frontal shields a little longer than 

 interorbital width, equal to length of mandibular symphysis. 

 Two rather long mental barbels. Shell black ; head black above, , j 



with yellowish-brown marblings ; labial region yellow, with black ''* 



vertical streaks ; upper surface of neck, forearm and hand, and 

 upper surface of leg and foot dark brown ; the rest of the soft 

 parts carneous m hite. Iris dark grey. 



Length of shell 165 millimetres. 



This species is nearest related to S. derbianus, from which it is 

 well distinguished by the pointed and more prominent snout. 



