A. Fractions of bipolar, amacrine, horizontal and Müller cells in monkey, rabbit and cat retinas. B. Ratio of cone bipolar, amacrine, horizontal and Müller cells in monkey, rabbit and cat retinas computed without rod bipolar cells. Data for rabbit, mouse and monkey retinas are from Strettoi and Masland (1995), Jeon et al. (1998) and Strettoi and Volpini (2002).