• •*'■ <■• ml '• . \ • ■.*.'. 







•&?. >■• 







Fig. 5 



t 





•V r. 



Paraffin section ox liver. This confirms that virtually all the mast cells in the liver of this species 

 are in the capsule. Contrast fig. 1 for conditions in the dog. Toluidine blue ( 80). (Riley and 



West (1953), J. Physiol. 120, 528.) 



Fig. 6 



Cleaned tissue spread of ox liver capsule. There are so many mast cells and scattered granules 

 that it is difficult to transmit light through the preparation ( x 140). 



