326 THE VIVARIUM. 
alert in discovering and seizing its prey. From its strange 
manner of progression it is known as the ‘‘ walking” Toad, the 
action being compared to the slow running of a mouse. Like the 
Common Frog, B. calamita is a very clever climber, being occa- 
sionally found in apparently (for it) inaccessible places. 
When irritated or excited in any way this Toad has the habit 
of sometimes producing a smell which may be compared to that 
FIG, 82.—NATTERJACK TOAD (Bufo calamita). 
of sulphur. The perfume, however, is not altogether unpleasant, 
notwithstanding that it has been described as ‘‘intolerable.” I 
have kept these Toads for several years, often handling them, 
and yet I have only very rarely detected any scent at all. I 
mention this because I know that people have refrained from pro- 
curing these very interesting little creatures for pets just simply 
because they dread their ‘‘intolerable odour.’’ 
