16 Microscope Slides.1(e). Paramaecium, silvered to show the neuroformative system2(d). Lumbricus, earthworm, t.s. with ventral nerve cord3(e). Insect brain, frontal l.s.4(e). Planaria, sec. through ocelli5(f). Haliotis, marine snail, pinhole camera eye l.s.6(e). Helix, snail, eye l.s.7(e). Alloteuthis, cuttlefish, camera eye l.s.8(e). Compound eye of an insect, l.s.9(e). Young rat, head with eyes t.s.10(d). Retina of cat, t.s. showing rods and cones11(e). Internal ear (cochlea) from guinea pig, l.s.12(e). Taste buds from tongue of rabbit, t.s.13(e). Peripheral nerve fibres, osmic acid material showing Ranvier’s nodes14(c). Spinal cord of cat t.s. with large motor nerve cells15(c). Cerebellum of cat, t.s. routine stained16(f). Cerebrum of cat, t.s. silvered to show the pyramid cells.