INDEX AND GLOSSARY 



783 



mosaic of, 57, 587-588, 620, 638 



in nocturnal animals, 177, 206, 215-217 



oil-droplets of, 191* 



color ratios of, 197-198, 661 



development of, 600 



distribution and colors of, 200-201 



(Table IV) 

 effect of, on contrast and color, 196, 



496, 501-504 

 first appearance of, 572 

 funaions of, 192-198, 497, 502-503, 

 red field of, 196, 307 [586 



spectral properties of, 198 

 yellow field of, 196 

 photochemical substances in (iodopsin, 



porphyropsin, rhodopsin, zapfen- 

 substanz, qq.v.), 74-76, 79, 464, 

 474-475, 518 

 shape, significance of, 68-69 

 in tapetalized areas, 245, 615 

 transmutation of, 61-63, 164-168,568,591, 

 600, 603, 621, 626-627, 636-640, 

 687-689 

 color vision and, 464-465, 520, 688 

 partial, 616 

 types and structure of, 52-63, 54-55, 59, 

 62-63, 586-588, 591, 603, 606, 

 636-640, 671, 675, 685-689 

 taxonomically: 



lampreys, 58, 518, 559-560, 561-562 

 elasmobranchs, 561, 568, 692 (entries for 

 pp. 561, 568) 

 deep-sea, 399-400, 568 

 chondrosteans, 200, 242, 570, 572-573, 



612, 626 

 cladistians, 200, 692 (entry for p. 589) 

 holosteans, 200, 585-587 

 teleosts, 146-147, 200, 433-434, 586-588, 

 deep-sea, 396, 399, 586 [587, 591 



dipnoans, 200, 591 

 amphibians, 148, 200, 598-600, 599, 603, 



605-606, 612 

 chelonians, 200, 611-612, 616, 621, 661 

 alligator, 200, 615-616, 621, 661 

 Sphenodon, 189, 200, 616, 621, 661 

 lizards, 167-168, 200, 621, 615-617, 626 

 geckoes, 62-63, 168, 201, 203, 216, 

 254, 520, 626-627 

 snakes, 165-168, 166-167, 201, 634-640, 



636-639 

 birds, 201, 588, 626, 660-661, 692 (entry 



for p. 195) 

 monotremes, 201, 626, 670-671, 686, 688 

 marsupials, 201, 626, 670, 675, 685, 688 

 placental mammals in general, 166, 201, 

 588, 675, 684-689 

 man, 43, 54-55, 67, 661 

 'original', 687-689 



seals, 446 

 sirenians, 410 

 whales, 414-415 

 visual consciousness, 1-5 



locus of, 335-338, 522-523 

 visual fields (see also frontality, laterality, 

 optic axis, periscopy) 

 in aquatic animals, 376-377, 378-379, 



443, 592-593 

 binocular, 290, 298, 320-321, 322, 334 

 absence of, 291 

 aphakic space and, 299 

 devices for enlarging, 299-300, 307 

 dorsal, 292-293, 385-387, 443, 666 

 eye-movements and, 300-312 

 lid actions and, 425 

 posterior, 293, 296 

 shape of, 298 

 ventral, 293, 303, 387 

 taxonomically: 



fishes, 292-293, 303-305, 376, 385-387, 

 deep-sea fishes, 402-403 [432 



amphibians, 291, 293 

 reptiles, 291, 293-294 

 birds, 291, 295-296, 307-310, 309, 323, 

 mammals, 296-298, 666 [442 



constancy of, 303, 348 

 cortical projection of, 334-335 

 of hammerhead shark, 405 

 of lampreys, 291 

 of monotremes, 666 

 pupil and, 225 

 of seals, 444-445 

 spherical lens and, 213-214 

 tube, 214 

 uniocular, 291 * 

 of whales, 291, 413-414 

 visual pathway, central, 47, 65, 319-338, 



335, 521-523 

 visual purple: rhodopsin, q.v. 

 visual trident, 307-310*, 309 

 special employment of, 442 

 vitamin A (see also carotenoids), 75, 78, 



692 (entry for p. 99) 

 vitreal (= hyaloid) vessels, 575* (consult 

 also 648-659, 684) 

 taxonomically: 

 cladistians, 589, 605, 653 

 holosteans, 575, 605, 652-653 

 teleosts, 577, 582-583, 605, 652-653 

 dipnoans, 590, 605, 653 

 anurans, 598, 605 

 snakes, 631, 633, 684 

 vitreous humor 



accommodation and, 268, 584 



of amphibians, 611 



cleft of, 261, 582 



development of, 113- II 4, 117, 582 



