262 On Two new Frogs from Cameroon. 



or less regular chevrons ; lower parts smooth. Purplish 

 brown above ; a triangular dark marking with a fine light 

 edge between the eyes, the base turned forwards ; upper lip 

 white-edged; limbs with narrow, oblique, dark cross-bars; 

 sides of thigh and inner side of leg blackish, speckled with 

 whitish ; lower parts whitish, with the exception of a con- 

 siderable part of the thigh, the tarsus, and the foot, which 

 are blackish brown. 



From snout to vent 53 mm. 



Two female specimens were obtained at Efulen, Bulu 

 Country, Southern Cameroon, by Mr. G. L. Bates. 



BULUA. 



Pupil horizontal. Tongue cordiform, free and notched 

 behind. Vomerine tcetli forming long transverse series 

 behind the choanal. Tympanum distinct. Fingers and toes 

 free. Outer metatarsals bound together. Omosternum and 

 sternum cartilaginous. Terminal phalanges simple, obtuse. 



A very distinct genus, to be placed near Petropedetes, 

 Reichen. 



Bulua ventrimarmorata. 



Vomerine teeth in two curved series narrowly separated 

 from each other and extending outwards beyond the choana?. 

 Head moderate, rather strongly depressed, a little broader 

 than long ; snout short, broadly rounded ; no canthus ros- 

 tralis ; eye small ; interorbital region twice as broad as the 

 upper eyelid ; tympanum a little smaller than the eye, its 

 diameter equal to its distance from the orbit. Fingers rather 

 short, blunt, first much longer than second ; toes moderate, 

 with swollen tips ; subarticular and inner metatarsal tubercles 

 feebly prominent. The tibio-tarsal articulation reaches the 

 tympanum. Skin smooth. Dark purplish brown above, 

 with indistinct darker markings ; a pink spot on each side 

 of the vent ; sides of head and of thighs black, speckled 

 with white ; limbs with interrupted dark cross-bars ; throat 

 black ; belly and lower surface of limbs marbled black and 

 white. Breeding male with two groups of rather large, 

 conical, black, horny spines on the inner side of the inner 

 finger. 



From snout to vent 40 mm. 



A single male specimen from Efulen, Bulu Country, 

 collected by Mr. G. L. Bates. 



