BY H. S. HALCRO WARDLAW. 



245 



the accompanying diagrams (Text-figs. 1-8), the temperatures are 

 represented by vertical lines, the heights of which are propor- 

 tional to the values of the corresponding temperatures. Morning- 

 temperatures are represented by discontinuous lines, afternoon- 

 temperatures by full lines. The points corresponding to the levels 

 of the temperatures of the air are marked on the ordinates for 

 the temperatures of the animals by crosses in the case of morn- 

 ing-temperatures, and by circles in the case of afternoon-temper- 

 atures. 



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