The Five Senses of Man

action apparatus appear auditory nerve basilar membrane body brain camera obscura cause centre Cloth cochlea colours Demy 8vo dissonance distance distinctly distinguish ear-bones Ernst Heinrich Weber Eustachian tube excited experience external ear Fcap fenestra ovalis fibres of Corti field of vision finger fundamental tone hand harmonics Helmholtz Illusion Illustrations imagine impression instance International Scientific Series irritation labyrinth Large post 8vo lens motion muscles nerve-fibres number of vibrations object observed octave optic nerve organs of Corti outer papillæ peculiar perceive perception picture pitch Poems position possess pressure produced recognise refraction retina Second Edition seen sensation of light sense of touch sensory circle sensory nerves sensory organs single skin Small crown 8vo smell sound sound-waves spectrum stereoscopic string substances surface sympathetic vibrations tactile takes place taste terminal Third Edition tion tube tuning-fork tympanic cavity tympanic membrane vitreous humour vols waves whilst yellow