142 SALAMANDRADA. 
species, has a slight enlargement towards the junction of the 
lips. But the markings and coloration are widely different ; 
the upper parts being beautifully marbled with grey, with 
a white line along the mesial line of the back, and the belly 
irregularly mottled. 
I give a comparative view of the head of 7’r. cristatus 
and of Tr. Bibronii, by a reference to which any one may 
readily determine the species. 
