183 SCBKINGDOM VEKTEBEATA. 



through the usual metamorphosis from the tadpole to the 

 full-limbed stage. Finally, the whole brood emerge, present- 

 ing a singular sight as they struggle out with heads and 

 paws projecting in all directions. 



ORDER URODELA. 



General Characteristics. The Tailed Amphibians 

 resemble lizards, but, unlike them, have gills in the early 

 stage of their development. Except the retention of their 

 tails, they pass through essentially the same transformations 

 as the Anura, the fore limbs, however, appearing before the 

 back ones. 



URODELA; 

 Salamandridae. 



TAIL CYLINDRICAL ; TERRES- 

 TRIAL ; VIVIPAROUS. 



TAIL FLATTENED ; AQUATIC 

 OVIPAROUS. 



i Salamandra macnlosa, 

 ' I Triton cristatus, 



Salamander. 

 Nttct. 



Salamandridae. The Salamander exudes a milky, gluti- 

 nous kind of perspiration. By its evaporation this will for a 

 time protect the body from the heat, and hence the popular 



Fig. 309. 



Salamandra macuWsa, Salamander. 



superstition that the animal is fire-proof. The Newt skill- 

 fully encloses its eggs, deposited singly, in the fold of a leaf 

 whose edges are carefully glued together. It possesses a 

 remarkable facility for repairing damages ; if a tail or leg be 

 broken off, it will be restored, and the operation may be 

 repeated many times.* 



* The branchiaj of the Frog and Newt, when the limbs are partially developed, 



