1880.] PAL^ARCTIC AND ETHIOPIAN TOADS. 



Dimensions. 



5 65 



a. 



Erom snout to vent 



Length of head 



Breadth of head , 



From eye to nostril 



From eye to tip of snout.., 

 Greatest diameter of orbit 



Interorbital space 



Diameter of tympanum . . 



Length of parotoid 



Breadth of parotoid , 



Body 



Fore limb 



Hind limb , 



Tibia 



m. 



0-048 



0013 



0-016 



00035 



0-0065 



0-006 



0-0035 



0-002 



0008 



0004 



0035 



0028 



0055 



0016 



a. cJ . Cape of Good Hope. British Museum. Presented by 

 Dr. Smith. 



b. S ' Cape of Good Hope. Paris Museum. 



c. 2 ' Cape of Good Hope. Paris Museum. 



d. Young. Cape of Good Hope. British Museum. Type of 

 B. gariepensis, Smith. 



Description. — This is a small species, resembling greatly B. ealu' 

 mita in its physiognomy and coloration ; it never exhibits, however, 

 any trace of parotoid-like gland on tbe calf. Two characters which 

 can generally be considered very important and constant, are 

 subject here to great variation ; one of them is the cutaneous 

 tarsal fold, which is either perfectly develoj)ed or entirely absent ; 

 the other resides in the subarticular tubercles under the toes, which 

 in most specimens are simple, in others two-rowed. 



The head resembles very much that of B. calamita ; but the inter- 

 orbital space is rather broader. The nostrils are equally distant 

 from the tip of the snout and from the anterior corners of the eyes ; 

 the space between them is rather less than that between one of them 

 and the lip. The tympanum is very distinct, small, rounded ; its dia- 

 meter equals one third, or rather less, of the greatest orbital diameter. 

 The cleft of the mouth extends to the level of the front edge of the 

 tympanum. The tongue is generally broader than in B. calamita, its 

 breadth being contained about once and half in its length. The 

 parotoids are not very prominent, elliptic, oval, or subtriangular, 

 and generally about twice as long as broad ; but, as in most 

 species, their proportions are subject to great variation ; there is 

 always a rather considerable space between their front edge and the 

 upper eyelid. 



The body is nearly thrice as long as the head in females, twice 

 and a half or a little less iu males. 



The fore limb is nearly as long as the body in males, much 



