SECT. IV.
ARTIC.
- 1 A Recapitulation of the principal Argu∣ments precedent: and summary of the subsequent.
- 173
- 2 The Eye Anatomized: and the proper use of each Part thereof, either absolutely Neces∣sary, or onely Advantagious to Vision concisely demonstrated. viz. 1 The Diaphanity of the Horny Membrane, and the three Humors, A∣queous, Chrystalline, and Vitreous. 2 The Convexity of all its parts except the Amphi∣blestroides. 3 The Uvea Tunica, and Iris. 4▪ The Pupilla. 5 The Blackness of the in∣side of the Uvea Tunica. 6 The Tunica A∣rachnoides. 7 The Ciliary Filaments there∣of. 8 The Chrystalline. 9 The Retina Tu∣nica. 10 The six Muscles, viz. 1 The Di∣rect, as the Atollent, Depriment, Adducent, Abducent. 2 And Oblique, as the 2 Cir∣cumactors, or Lovers Muscles.
- 173, to 177
- 3 Why the Situation of an object is perceived by the sight.
- 177
- 4 The Reason of the eversion of the Image, in the Amphiblestroides.
- 178
- 5 The same illustrate by an Experiment.
- ibid.
- 6 Why the Motion and Quiet of objects are dis∣cerned by the sight.
- ibid.
- 7 Why Catoptrical Images imitate the motions of their Antitipes or Originals.
- ibid.
- 8 Why the right side of a Catoptrical Image respects the Left of its Exemplar. And why two Catoptrick Glasses, confrontingly posited, cause a Restitution of the parts of the Image to the natural Form.
- 180