814 



INDEX 



Mammals, colour changes in, seasonal, 21 

 control of, 560 

 vision in, 632 

 ditirnal, 604 

 eyes of, 429 Jf. 



degenerate, 733 

 habits of, 604 



lateral geniculate body, 489, 541 

 lens capsule, 653 



elasticity of, 652 

 marsupial. See Marsupials, 

 metabolic rhythms in, 13 



control of, 560 

 mid-brain, 536 

 migration of retinal pigment in, 614 



of visual cells, 616 

 monotreme. See Monotremes. 

 movement, perception of, 705 

 neopallium, 543 

 neuro -endocrine system, 557 

 nocturnal, 604 

 ocular movements of, 696 

 optic axis, 688 

 lobes, 535 

 thalamus, 540 

 pineal organ, 716 



function of, 718, 719 

 placental. See Placentals. 

 primitive, 236 

 pupillary reactions of, 700 

 receptor-effector system, 514 

 refraction of, 639 

 reproductive cycle in, 18 

 control of, 559, 560 

 spatial judgments of, 704 

 tectum, 536 

 telencephalon, 543 

 threshold to light, difference, 618 

 vision of, 600 

 visual acuity of, 663 



field, binocular, 687, 689 



uniocular, 672 

 pathways, 540, 544 

 Mammillo-infundibular nuclevis, 557 

 Manatee, 446, 502 



retinal vascularization, 480 

 See also Sirenians. 

 Mandrill (Mandrillus), 443 

 refraction of, 639 

 See also Primates. 

 Mangabey, colour vision in, 635 

 Mania. See Pangolin. 



Mantis religiosa, 589 



eyes of, 139, 225 



reactions of, 526 



vision of, 589 

 Manx shearwater. See Puffinus puffinus. 

 Manz, glands of, in mammals, 491 

 Markhor, reproductive cycle of, 18 

 Marmosa. See Opossum, mouse. 

 Marmosets, 443 



eyes of, 450 



fovea, 486 



See also Primates. 

 Marmot, 442, 445 



cornea, 453 



eye of, 447 



ocular movements, 696 



optic disc, 486 



pupils, 472 



retina, pure-cone, 612 

 vascularization of, 479 



visual acuity of, 664 

 cells, 483 

 Marsupials, 429, 437 



accommodation lacking in, 640 



arhythmic, 604 



colour vision in, 632 



fundi, PI. XIII 



eyes of, 438 



lateral geniculate body, 489, 490, 541 



nocturnal, 604 



optic axis, 688 



refraction of, 639 



vision of, 601 

 Marsupium. See Pecten. 

 Marten (Martes), 445 



colour blindness of, 634 



See also Mustelidae. 

 Marthasterias glacialis, PI. I 



eye-spot of, PL I 

 Martlet (Chelidon), visual acuity of, 662 

 Mast, Samuel O., 26, 29 

 Mastigophora. See Flagellata. 

 Mastigoproctus giganteus, activity of, 34 

 Matthiessen's ratio, 277 

 Mayflies. See Ephemeroptera. 

 Mazes, 569, 624 



conditioning by, in ants, 70 

 crustaceans, 578, 579 

 myriapods, 578 

 snails, 575 

 worms, 573 

 Mechano-receptors, 116 



