Various shots of mitosis within endosperm of the African blood lily. Microphotography shots of living cell, cytoplasm, of fibroblast, more cell mitosis, living tissue. Shot of bold chromosomes of the African blood lily. Two shots of tissue from monkey. Three shots of onion tissue showing oblique lines. Several shots of blood cells flowing, sickle cells. Shots of mitosis, one forward and reverse. Shots of human nerve cells.