112 S A L A M A N D R A LONGICAUDA. 



Dimensions. Length of head, 7 hnes; of body to vent, 1 J inches; of tail beyond 

 the vent, 3^ inches; total, 5 inches 10 hnes. 



Habits. This animal is aquatic in its habits, and is among the most beautiful 

 of our Salamanders, with its slender body and enormously long tail, which it 

 moves gracefully from side to side when it swims. 



Geographical Distribution. The Salamandra longicauda is fovmd in most of 

 the northern parts of the United States. Dr. Smith has seen it in Massachusetts; 

 Professor Green has observed it near Albany, and at Princeton, New Jersey; 

 and Dr. Pickering informs me that they are found in the neighbourhood of Pitts- 

 burg, west of the Alleghany mountains. 



General Remarks. This is another of our Salamanders observed and first 

 described by Professor Green, of Philadelphia. 



