The Inhabitants of the Aquarium 259 



tail of the salamander is almost round, but 

 the last third is much higher than broad and 

 with a sharp upper edge. While many of 

 the southern specimens are colored as de- 

 scribed above, others are uniformly vermil- 

 ion, without the brown and black tints, but 

 similar in all other points. The northern 

 specimens are usually of a brighter vermilion 

 than those from the South, but it is not ad- 

 visable to determine the habitat of the sala- 

 mander by its color, as variations in both 

 directions occur. 



The Red Mountain Salamander (Salamandra 

 rubra montanus) has a longer tail than S. 

 rubra and never shows the black bar be- 

 tween the eyes. The Red Mountain Sala- 

 mander is fairly common and is found under 

 flat stones near, and in cool, clear rivers. 

 If it is to be kept successfully in the aqua- 

 rium, it should have a dry place, so that it 

 can leave the water occasionally. Quick, 

 smooth and slippery, it is difficult to catch 

 and is therefore not often met with in the 



