CONTENTS. 



XIX 



367. Reflex Centres of the Medulla Oblongata, . 



368. The Respiratory Centre, 



369. The Cardio-Inhibitory Centre, 



370. The Accelerans Cordis Centre, 



371. Vaso-motor Centre and Vaso-motor Nerves, 



372. Vaso-dilator Centre and Vaso-dilator Nerves, 



373. The Spasm Centre The Sweat Centre, 



374. Psychical Functions of the Cerebrum, 



375. Structure of the Cerebrum Motor Cortical Centres, 



376. The Sensory Cortical Centres, 



377. The Thermal Cortical Centres, 



378. Topography of the Cortex Cerebri, . 



379. The Basal Ganglia The Mid-brain, . 



380. The Structure and Functions of the Cerebellum, 



381. The Protective Apparatus of the Brain, 



382. Comparative Historical, 



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XIV. PHYSIOLOGY OF THE SENSE ORGANS. 



1. SIGHT. 



383. Introductory Observations, . 



384. Histology of the Eye, 



385. Dioptric Observations, 



386. Formation of a Retinal Image, . . - 



387. Accommodation of the Eye, 



388. Normal and Abnormal Refraction, . 



389. The Power of Accommodation, 



390. Spectacles, 



391. Chromatic Aberration and Astigmatism, 



392. The Iris, 



393. Entoptical Phenomena, . . 



894. Illumination of the Eye The Ophthalmoscope, 



395. Aetivity of the Retina in Vision, 



396. Perception of Colours, . 



397. Colour-blindness, .... 



398. Stimulation of the Retina, 



399. Movements of the Eyeballs, 



400. Binocular Vision, ..... 



401. Single Vision Identical Points, 



402. Stereoscopic Vision, ... 



403. Estimation of Size and Distance, 



404. Protective Organs of the Eye, 



405. Comparative Historical, 



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742 

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2. HEARING. 



406. Structure of the Organ of Hearing, 



407. Physical Introduction, 



408. Ear Muscles, 



409. Tympanic Membrane, 



410. The Auditory Ossicles and their Muscles, 



411. Eustachian Tube Tympanum, 



412. Conduction of Sound in the Labyrinth, 



413. Structure of the Labyrinth, 



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