Journal of Applied Microscopy. 



49 



the daughter nuclei will occupy. The interzonal fibers are well shown. 

 There is no indication of a transformation of these fibers into the cell 

 plates. 







Figure 5. — This illustration is from the same preparation as figures 2 

 and 3, and at the same magnification. The telophase is very clearlj' 

 shown. Metakinesis has been completed. The chromosomes are grouped 

 in the form, seen from the side, of the daughter wreaths. Cleavage of the 

 cytoplasm has been almost completed. The two new cells, from the 

 appearance of the photograph, do not contain equal quantities of 

 cytoplasm. 



Figure 6. — Photo-micrograph of the first division of the ovum of 

 Ascaris megalocephala. Preparation by Prof. S. Watase of the University 

 of Chicago ; magnification, 1000 diameters. This photograph is very 



