Fig. 11. Thhi section showing well-formed crystal of rhomboidal profile in the nucleus 

 of an infected cell. Adjacent to it are two masses of osmiophilic material in association 

 with some scattered viral particles. (Courtesy Dr. Councilman Morgan, from J. Biophys. 

 Biochem. Cyt. 3, 1, 1957) (Magnification: X 9000). 



Fig. 12. Contiguous thick section showing the same crystal which is strongly colored 

 by the Feulgen reaction. (Courtesy Dr. Councilman Morgan, from J. Biophys. Biochem. 

 Cyt. 3, 1, 1957) (Magnification: x 3700). 



