746 



INDEX AND GLOSSARY 



Gonatodes (reptile: a spectacled gecko) 



pupil in, 203, 220, 627 



visual cells of, 627 

 Gonorhynchus (teleost), spectacle of, 460 

 goose 



pecten in, 656 



terrestrial, Australian: Cereopsis, q.v. 

 gorilla 



diurnality of, 228 



frontality of, 327 

 goshawk: Accipiter, q.v. 

 Graber, 472-473, 476 

 grackles, change of eye color in, 550 

 Granit, 78, 490 

 Graptemys (reptile: a terrapin), white iris 



in, 550 

 grass snake, European: N. natrix, q.v. 

 gray snapper: Lutianus, q.v. 

 grebes, underwater swimming of, 439 

 Greeff, 586 

 Gregg, 507 



grenadiers: Coryphcenoididce, q.v. 

 Gresser, 665 

 Grether, 515-516 

 greyhound, visual hunting by, 345 

 Grinnell, 341 

 Grossman, 291 



groupers: Epinephelus {q.v.), et al 

 Grynfeltt, 589; sphincter of, 160*, 584 

 guanin, 235* 



in argentea, 235-236, 270 



in iridocytes, 526, 543 



in tapeta lucida, 235-243, 570, 585, 692 

 guano, 235* [(entry for p. 236) 



guanophores: iridocytes, q.v. 

 Gudden (see Newton-Miiller-Gudden) 

 guinea-pig 



color vision in, 512 



intelligence (lacking) of, 467 



pupil of, 157 



retina of, 157, 216, 685 



visual field of, 298 

 gulls 



area and fovea of, 187 



feeding method of, 439 

 Gunn, 664, 669 

 guppy: Lebistes, q.v. 

 gurnard: Trigla, q.v. 



'flying', flightlessness of, 431 

 Gymnophiona: Ccecilia, q.v. 

 GymnotidcE (teleosts: an eel family), 



tendinous sclera in, 578 

 gyroscope-like action of eyeball, 303, 310, 

 348-349 



habits of vertebrates 



aquatic (see aquatic activity) 



amphibious (see amphibious aaivity) 

 basking, 200, 218-219, 222, 224, 571 

 cavernicolous (see cave-dwelling verte- 

 brates) 

 circulatory structures of eye and, 648-659 

 deep-sea (see deep-sea fishes) 

 of earliest vertebrates, 163-164 

 evolutionary changes of, 165-168 

 eye-mindedness, 283 



feeding, and as to light, 169-171, 208-209 

 fossorial, 200-201, 209-210, 605-606 



and blindness, 390, 458, 625 



and origin of snakes, 634 



and spectacles, 457-459 

 freezing, 309, 344-345, 546 

 intensity of light and, 143-145, 149-150, 

 154-163, 197-210, 215-246, 545, 

 684, 692 (entry for p. 201) 

 intra-ocular color-filters and, 200-201 

 locomotor, and eye-movements, 300-312 

 metabolic requirements of retina and, 



648-659 

 toward moving objects, 342-352, 355, 362- 

 nodding, 342 [367, 390 



parasitic (see parasitic fishes) 

 pelagic, 163, 380,382,392,429,449,528 

 photomechanical changes and, 150 

 position, 468 

 spectacle and, 449-461 

 swimming, 379-384 

 terrestrial (see terrestrial activity) 

 visual distances and, 247-288 



TAXONOMICALLY: 



lampreys, 158, 200, 371, 390, 555, 562 



hagfishes, 391 



elasmobranchs, 200, 372, 380-381, 429, 



563, 568, 571 

 chondrosteans, 200, 569, 571-572 

 holosteans, 200 



teleosts, 200, 303-305, 372-407, 431-436, 

 cladistians, 150, 200 [586 



dipnoans, 150, 200, 223, 263, 590 

 amphibians, 150, 200, 305, 368, 418-419, 



598-600, 605, 653 

 chelonians, 150, 200, 305, 422-423, 436- 



438, 608, 611, 657 

 crocodilians, 150, 200, 305, 422, 436, 



613-614, 657 

 Sphenodon, 150, 200, 616, 620-621, 657 

 lizards, 150, 200, 457-458, 622, 525-627, 

 chameleons, 306, 538 [633-634 



geckoes, 201, 627 

 snakes, 150, 201, 458-459, 633-640 

 birds, 150,201,307-310,438-442,655-659 

 mammals, 201, 310-312, 442-448, 664- 



665, 671, 675, 677, 684-689 

 Hadley, 540 

 Haempel, 481 



