TOAD-FROGS AND DISC-TONGUED FROGS. 351 
three tubercles (the inner, in the males, much developed) on the 
palm of the hands. The upper surfaces of the body are either 
smooth or covered with small tubercles. The colour above is 
brownish or olive, marbled with black or brown light-edged spots, 
and sometimes there are three white stripes running along the 
back ; the legs have transverse bands of brown or black ; on the 
head there is a triangular mark, occasionally divided. The lower 
parts are either white or yellowish. The male has no vocal sac, 
but during the breeding season it is distinguished by the possession 
Fic. 86.—THE FIRE-BELLIED TOAD (Bombinator igneus . 
of small, rough, closely-set, dark browu roughnesses on the chin, 
on the palms, the inner digits, and on the free margin of the 
webbing of the toes. This Batrachian is a native of 8. Europe 
and N.W. Africa. When fully grown it measures about 23in- 
from the snout to the vent. WD. pictus is sometimes brought to 
England and sold for a few shillings. In its native country it 
is found in small streams, and in salt and fresh-water marshes, 
frequently in the company of the Edible Frog (2. esculenta). 
The Fire-bellied Toad (Bombinator igneus), Fig. 86. is also a 
