: *' wr^ * : "• 



4 



391 



392 



•m 





393 



1 



394 



395 



396 



397 



Figures 391-397. — Cells of the plasmacyte series found in bone marrow of adult ciiickeus. 2,470X 



391 Early immature plasmacyte. 

 392-395 Late immature plasmacytes. 

 396, 397 Mature plasmacytes. 



203 



