Fig. 2.

Forms of the Nerve Endings in various Organs of Sense. A.,B Touch Corpuscles. C Primitive auditory vesicle. D Diagram of the Organ of Corti in the Cochlea of the higher Auditory Organs: cc Arch of Corti proper, h Ciliated Cells, g Basilar Membrane with Nerve-Fibers. E Olfactory Nerve-Endings. F Taste-Bulbs in the Tongue. G The Retina showing its different Layers and Organs: s,z Rods and Cones (constituting the inner layer of the retina), g₁,g₂ Small Nerve Cells, g₃ Large Nerve Cells, o Fibers of the Optic Nerve (outer layer of the retina).