FLUORESCENCE STUDIES OF NUCLEOPROTEINS 



117 



t* 



• • 



9 * 



ma-^M 



Fig. 0(a). 



Fig. 6(b). 



Fig. 6.— Ultraviolet absorption and autofluorescence of megakaryocytes and of cells 

 of the myeloid series from the bone-marrow of a normal rat. 



(a) u.v. absorption A = 265 m^i. 



(b) u.v. fluorescence. 



