TENTH ANNUAL REPORT. 



155 



TRANSFORMAIlUX UF THE LEOPARD FRUG, A.lA.l rALi'HTRIS 

 This local species exudes a poisonous secretion from the skin. Few snakes will eat it. 



bitter. It has a strong odor which might be compared to very 

 rank butter. 



It is pecuHar that this strikingly colored frog cannot be kept in 

 captivity unless provided with cold, running water. If during 

 the summer months it is placed in a tank containing stationary 

 water death usually results within forty-eight hours. Fortu- 

 nately this is not the case with the closely allied Salt-Marsh Frog 

 (R. vires ecus), another local species. To a slight extent an exu- 

 dation from the skin may be noted with this species, but snakes 

 eat it readily. Salt-Marsh Frogs abound in the Newark Mead- 

 ows, and during the winter months several thousand of them are 

 received at the Reptile House to make up the deficiency in other 

 food. They are raked out of the mud after the ice has been 

 broken over shallow water. 



During 1905 eight species of frogs w^ere exhibited in the Rep- 

 tile House. Of these, the most striking was Drayton's Frog 

 (R. drayfoiii) from the Pacific Coast region. This specimen 

 often changed color, and during some of its phases displayed a 



