Sect. III.
The Sense of Smell.
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The extent and powers of the organ of smell 113
An inquiry how far the general phaenomena of smell are agreeable to the doctrine of vibrations 114
An inquiry how far the specific differences of odours are agreeable to the doctrine of vibrations 115
The manner and degree in which pleasant and unpleasant odours contribute, according to the doctrine of association, to the formation of our intellectual pleasures and pains 116
The ideas generated by the several odours 117
The automatic motions which arise from the impressions made on the organ of smell ib.
The manner and degree in which these automatic motions are influenced by voluntary and semi-voluntary powers 119
Sect. IV.
The Sense of Sight.
The immediate organ of sight, and its powers 120
An inquiry how far the phaenomena of colours are agreeable to the doctrine of vibrations 121
An inquiry how far flashes of light from strokes in the eye, dark spots, and giddiness, are agreeable to the doctrine of vibrations 124
An inquiry how far the judgments made by sight, concerning magnitude, distance, motion, figure, and position, are agreeable to the doctrine of association 126
An inquiry how far the phaenomena of single and double vision are agreeable to the doctrine of association 129
The manner and degree in which agreeable and disagreeable impressions made on the eye contribute, according to the doctrine of association, to the formation of our intellectual pleasures and pains 130
The ideas generated by visible impressions 131
The automatic motions which are excited by impressions made on the eye 135
The manner and degree in which these automatic motions are influenced by voluntary and semi-voluntary powers 139
