CHICKEN BONE MARROW IN PLASMA MEDIUM 



RHODA ERDMANN 



PLATE 5 





12 





20 



22 



10 



13 • *V. • 



21 





15 



23 



Mm 



tiftJ 



16 



t 



■'ii 



24- 



18 



I 



25 



19 



27 



26 



117 



