rEMPERATURES IN TURTLES. 



443 



be stated on the basis of these experiments alone. The com- 

 parative behavior of the two forms taken as criteria, would 

 certainly suggest that there might be. Thus the typical signs 

 of discomfort, with rapid respiration and frothing about the 

 mouth and the accumulation of moisture around the eyes appear 



60 



10 



11 12 



average body temperature fluctuation of four snapping 

 turtles correlated with environmental rise. 



.it .1 body t -mperature, some ten degrees higher in tin- Hiapper 

 tli.ui i- tin case \\ith the painted turtle. At tin- hi^li critical 

 trmprr.iiiin - li> \\cver, little differences in endurance could be 

 noted in tin- t\\ ( . forms. I : rom the limited data accumulated 

 i>n thi- ]iiiit. it appears that neither form with>tands .1 body 

 temperature maintained at between 102 and 105 degrees I . 

 v< i i ( for thirty minutes or longer, and in the- majority of 

 in<li\ idual- dr.iih results in a much less time. 



When placed in water as the surrounding medium and sub- 

 jected 1.1 -radual increase in temperature animals of both groups 

 are apparently incapacitated in their resistance. A typ 

 experiment is cited in Table VI. This animal, a painted turtle, 

 \\ci.Jiinu 5-M> -rams, was placed in a container of \\ater at 9.30 

 on AIUIIM 2. The water was drawn from the laboratory tap 

 at practically room temperature and wa^ heated during the 



