734 



INDEX AND GLOSSARY 



Coleonyx — cont'd 

 lids of, 623 



'lashes' of, 424 

 slit pupil of, 168 

 visual acuity of, 168 

 visual cells of, 62, 168, 626-627 

 collared lizard: Crotaphytus, q.v. 

 Collins, 509 

 color, 81-84* 



aberration of (see chromatic aberration) 

 chroma of, 85-86* 

 complementary, 83* -84 



in birds, 499 



in fishes, 364-365, 489 



in hemianopia, 336 

 constancy of, 247 

 -contrast, 498-499 

 differential absorption and, 103 

 discrimination of, 92-93 



in anomalous trichromasy, 97 



in dichromasy, 97 

 of eye (see iris, coloration of) 

 of eyeshine, 231 

 'fatigue' for, 93, 96 

 -filters (see color-filters) 

 of flowers, and color vision, 503-504 

 vs form (associations), 489-490 

 mixture of, 83-84, 463, 471-472, 489 



binocular, 90-91, 325, 333-338, 335 

 optical, 525, 543 

 pairs, disappearing, 84* 

 photomechanical changes and, 152 

 -poverty (see color blindness) 

 primary, 83-84* 



in dichromasy, 97 

 printing of, 88 

 refractive error for, 194 

 spectral location of, 92, 94 

 -weakness (see color blindness) 

 white valence of, 86-87* 

 words for, 521 

 color blindness (see also color vision) 

 anomalous trichromasy, 97* 

 as 'atavism', 464 



dichromatic (='Daltonism'), 97-100*, 466, 

 470, 692 (entry for p. 99) 



normal for a species, 470, 516-517 

 total, 92, 96-97*, 470, 474 



physiological (of periphery), 475 

 color cells (of brain), 522-523 

 color changes 



as empirical evidence for color vision, 466 



in internal organs, 528-529 



in iris (see iris, coloration of) 



'morphological', 527*, 528-532, 535-543 



'physiological', 527*, 532-536 



m skin of body, taxonomically: 



fishes, 479-483, 523-538, 525 



amphibians, 527, 535-537, 539 

 crocodilians, 542-543 

 lizards, 524-526, 536, 538-543 

 snakes, 526, 542-543 

 birds, 524-525 

 mammals, 524 

 color circle, 82-83*, 471, 480, 488, 500 

 color-filters 



action and use of, 81-82, 85, 469, 483-484 



effert of, on contrast, 195-196 



intra-ocular, 191-205,200-201 (Table IV) 



Noviol, 199 



of U. S. Navy, 198 

 color vision (see also color blindness), 81- 



angling and, 472 [103,462* 



cataract and, 99, 204 



cerebral locus of, 337-338, 521-523 



and color-filters, 191-198 



dichromatic (see color blindness) 



distribution of, 64-65, 518-521, 519, 588 



diurnality and, 464, 504-505, 518-521 



evidence for, 465-472 



evolution of, 53, 65, 464-465, 518-521, 

 519, 688-689 



flash-frequency and, 355 



flower colors and, 503-504 



hue discrimination in, 471, 487* -488 



investigation of, 65, 467-472 



monochromatic (see color blindness, total) 



optomotor reartion and, 302 



peripheral, 89, 355 



photochemistry of, 75, 100-103 



in senescence, 199 



theories of, 75, 89 



trichromatic, mechanism of, 88-96, 94, 464 



value and origin of, 164,462-465, 518-521 



visual acuity and, 464 



visual-cell transmutation and, 63, 464-465, 



taxonomically: [520,688-689 



fishes, 364-365, 467, 472-490 



amphibians, 490-494 



chelonians, 494-495 



crocodilians, 496 



Sphenodon, 497 



lizards, 465, 495-496 



snakes, 465, 497 



birds, 497-504 



mammals, 465, 467-472, 504-518, 688-689 



coloration, protective (see also iris, coloration 



of; color changes), 466, 523-524, 



colored papers, 470-471 [543-551 



Bradley's, 507 



Hering's, 496 



Nendel's, 506 

 Coluber (reptile: a colubrid snake) 



accommodation in, 456 



visual cells of, 166 



visual fields in, 294 



