126 
ANIMAL CURIOSITIES 
existence they are so transparent that the 
brain and viscera can be seen through the 
skin. 
The largest of all tailless batrachians is the 
Cameroon giant frog, which measures, when 
adult, nearly twelve inches in length ; while 
the bull frogs, of which there are several 
species found in various parts of the world, 
are other representatives that arrest attention 
on account of their enormous size. Of the 
latter, which receive their name because of 
the loudness of their voice—their croakings 
being likened unto the roar of a bull heard 
in the distance—one of the most familiar is 
the American bull frog, which attains to a 
length of eight inches, and possesses a very 
broad and flattened nose. It inhabits the 
greater part of North America, and its flesh is 
considered a great dainty, so much so, indeed, 
that the frog was at one time threatened with 
extinction owing to constant persecution. As, 
however, the creatures are now largely bred 
in a semi-captive state in frog-farms, there is 
good reason to hope that such a fate is no 
longer to be reckoned as a possibility. 
Another bull frog is found in India. Known 
as the tigrine frog, it may be distinguished 
from its American relative by its more pointed 
snout which overhangs the lower jaw, as well 
