28 CADUCIBRANCHIATA. 



1. Tongue free only upon the sides.* (n) 

 m. Palatine processes slender; tail cyl- 

 indrical ; parotids very prominent. 



Salamandra. (io) 

 m. Palatine processes cuneiform; tail 

 much compressed at the breeding- 

 season ; parotids none. 



Euproctus. (i 6) 



n. Outer and inner toes rudimentary; 



ocellate spots often present upon the 



sides Notophthalmus. (14) 



n. Outer and inner toes developed; oc- 

 ellate spots never present. 



Triton. (15) 



*Triton punctatus forms an exception, being free all around. 



