480 ILLINOIS STATE ACADEMY OF SCIENCE 



X-Ray treatment of Myelogenous Leukemia. Many 

 more cases must be subjected to exacting study before 

 reliable conclusions can be made. Effective treatment 

 for Myelogenous Leukemia is a problem for the future to 

 solve. 



EXPLANATION OP SYMBOLS FOR PLATES AND CHARTS. 



Hb Hemoglobin test. 



W. B. C. White Blood Corpuscles. 



R. B. C. Red Blood Corpuscles. 



P. M. N. Polymorphonuclear neutrophiles. 



P. M. E. Polymorphonuclear eosinophiles. 



P. M. B. Polymorphonuclear basophiles. 



L Lymphocytes. 



M Mononuclear leucocytes and Transltionals. 



n-My neutrophilic Myelocytes. 



e-My eosinophilic Myelocytes. 



b-My basophilic Myelocytes. 



No Normoblasts. 



Mg Megaloblasts. 



Mi Microcytes. 



Total N. Total number of neutrophilic cells— P. M. N. + u-My. 



See Charts I and II on the following pages. 



