HABITS OF AMBLYSTOMA TIGRINUM AT TOLLAND 



259 



for deeper water when disturbed. There were so many of them 

 that they were in each other's way and were easily caught. Later as 

 the pond scum became thicker, the animals could not be seen; but 

 that they were present in as great numbers was shown by the com- 



XrA».V. 



3caff«rfd hyyae 



/ta/i/Ms. 



Wy. 



^ 



T.CC ^UM,. 



OviVU^. 



Fig. 2. — Diagram of Park Lake, Tolland, Colorado, showing distribution of the 

 salamanders when first noticed, also showing places where the following temperature 

 averages were taken. 



