38 



Colonel Sir Almroth E. Wright 



[March 9, 



the white clot. The emigrating leucocytes are visible to the eye in 

 the form of a slightly opaque white band extending upwards from the 

 red into the white clot. You see that in D the corpuscles have 

 climbed higher than in C. 



Fig. 5 shows what such a band of emigrating leucocytes looks 



Fig. 5. — Magnified view of the band of leucocytic emigration 

 seen in Fig. 4, d. 



