The cells indicated by the arrows are (left to right) an orthochromic normoblast, a basophilic normoblast and a polychromatophilic normoblast. The cell in the center appears to be a white blood cell blast and the cell on the lower right is a monocyte.


 

http://www.academic.marist.edu/~jzmz/HematologyI/NRBC41.html