INDEX 



777 



Evolution, 736 



Excretion, definition of, 314 



Exmoor ponies, 648 



Expansion, foot, 679. See also 



Foot 

 Expenditure of body, 344 

 Expiration, no 



muscles of, III 



See also Respiration 

 Expired air, composition of, 117 

 Extensibility, 410 

 Extension, 584 

 Extensor thrust, 450 

 Exteroceptive field, 446. See also 



Nervous system 

 Eye, 531 



aberration, chromatic, 557 

 spherical, 556 



accommodation, 543 



aqueous humour, 532 



astigmatism, 533, 545 



atropine, effect of, 544 



bat, 561 



binocular vision, 549, 550 



blind spot, 538 



cardinal points of, 557 



cartilago nictitans, 554 



cataract, 544, 562 



choroid, 531, 537 



ciliary muscle, 5 36, 538, 543, 544 

 processes, 532, 533, 537 

 See also Ciliary nerves, etc. 



cornea, 531, 533 



corpora nigra, 536 



defects of, 545 



dioptrics, 558 



emmetropic, 545 



errors of accommodation, 562 

 of refraction, 546 



formation retinal image, 558 



fovea centralis, 539 



Gennari, line of, 540 



Harderian gland, 554 



hen, 561 



hypermetropia, 545 



injuries, 562 



intra-ocular pressure, 537 



iris, 533. 544 



innervation of, 535 



katoptric test, 544 



lachrymal glands, 554 



lens, 533, 544 



lenses, passage of light through, 



555 

 ligament, suspensory, 538, 543 

 ligamentum inhibitorium, 536 



pectinatum, 532, 537 

 macula lutea, 539 

 Meibomian gland, 554 

 membrana nictitans, 531 

 monocular vision, 549, 550 



Eye, mydriasis, 536 

 myopia, 545, 546 

 myosis, 536 



ocular muscles and equilibrium, 

 484 

 control of, 582 

 innervation of, 514, 



517. 525, 548 

 movements of, 5 00, 



548, 553 

 ophthalmoscope, 541 

 optic axis, 539 



chiasma, 540 



disc, 539 



nerve, 531, 539 

 optogram, 561 

 owl, 561 



panoramic vision, 549, 553 

 papilla, 539 

 pathological, 562 

 photo -chemical theory, 561 

 physiological optics, 555 

 pigeon, 561 

 pupil, 534, 582 

 puppy, 553 

 reduced, 557 

 retina, 531, 538, 551 



corresponding points, 551 

 rhodopsin, 539 

 schematic, 557 

 sclerotic, 531 

 ' shying,' 546, 562 

 skiascopy, 546 

 specific ophthalmia, 562 

 squint, 550 



stereoscopic vision, 550 

 suspensory ligament, 538, 543 

 tapetum lucidum, 533, 537, 561 

 tears, 531, 554 

 theory of vision, 560 

 visual angle, 560 



axis, 539 



centre, 500, 541 



cortex, 553 



purple, 539, 561 

 visuo -psychic area, 541 

 visuo-sensory area, 541 

 vitreous humour, 532, 538 

 yellow spot, 539 

 zonule of Zinn, 538, 543 

 Eyeball, movements of, 484, 546 

 548, 553, 582 

 muscles of, 548 

 Eyelashes, 555 

 Eyelid secretion, 312 

 Eyelids, 531 



Face markings, 305 

 Facial nerve, 5 14 

 sinuses, 116 



