EXPLANATION OF PLATE VIL 



Fig. 10. 

 A thrombus after acupressure (third method), 36 hours old. 

 Low power. See p. 46. (Fourth >*eries.) 



Fig. 11. 

 A capillar}' of the mesentery of a frog, 9 hours inflamed. High 

 power. See pp. 50-51. 



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