722 



INDEX AND GLOSSARY 



acid — cont'd 

 uric 



and guanin, 235 

 in photophores, 235 

 Acipenser (chondrostean: sturgeon), 570 

 accommodation in, 264 

 argentea of, 570-572 

 chorioid of, 570-571 

 conjunctival bones in, 569 

 cornea of, 569-570 

 habits of, 150, 200, 381 

 iris of, 571-572 

 lens of, 160, 570-571 



-muscle papilla (?) in, 571-572 

 suspensory ligament of, 571 

 ocular shape in, 381, 570 

 orbit of, 569 

 pupil of, 150, 160, 220 

 retina of, 242, 572 



photomechanical changes in, 150 

 pigment epithelium of, 238-239, 242 

 sclera in, 415, 569-570 

 tapetum lucidum of, 238-240, 242, 570- 

 taxonomic position of, 136 [571 



visual cells of, 54, 242, 570, 572-573, 688 

 oil-droplets of, 200, 202, 242 

 AcTOchordus (reptile: elephant-trunk snake) 



dorsal binocular field of, 293, 438 

 adaptation, visual (see vision, photopic and 



scotopic) 

 adder, common: Vipera, q.v. 

 adipose lids (see lids, adipose) 

 adnexa: lids -f muscles -i- glands (see also 

 nictitating membrane, speaacle) 

 taxonomically: 

 lampreys, 556-557 



elasmobranchs, 428-429, 432, 563-565 

 chondrosteans, 569 

 holosteans, 573-574 



teleosts, 381-384, 386-387, 431-432, 578 

 lungfishes, 589 

 amphibians, 407, 418-419, 421, 436, 592- 



594, 601, 604-606 

 chelonians, 421-423, 437 

 crocodilians, 421-422 

 Sphenodon, 420-421, 617 

 lizards, 421, 423 

 birds, 420-421, 424-425, 440-441, 642, 



644 

 mammals, 408, 412-414, 425-427, 443- 

 445, 665-666, 671 

 man, 36-41, 37, 39 

 adrenalin, 151, 478, 529, 535-536, 540, 543 

 aestivation: summer period of dormancy; 



223, 263 

 afferent: said of nerve-fibers or impulses 

 which conduct or travel toward 

 the central nervous system 



arter-image 



complementary, 93*, 471 

 in hemianopia, 336 



positive, 350* 

 Agamida (reptiles: a lizard family) 



continuity of lids in, 423 



dermal color changes in, 538 



eye movements in, 306 



former placement of Sphenodon in, 616 

 Agkistrodon (reptiles: moccasin snakes) 



habits, pupil, retina of, 165 



visual cells of, 166, 639-640 

 aglossal: tongueless (from Aglossa, a 



division of anurans) 

 Agonus (teleost), fovea in, 304 

 Ahcetulla (reptile: a colubrid snake), pupil 



of, 221, 225 

 air, vision through (see terrestrial activity) 

 Albarenque, 675 

 albatross: Diomedea, q.v. 

 albedo, 493, 530* 



responses to, 530-536, 545 

 albinos 



lentiflavin in, 199 



ostracism of, 466 

 Albula (teleost: ladyfish), leptocephalus in, 



406 

 Alburnus (teleost: a cyprinid), retinal tape- 

 tum lucidum in, 692 (entry for 

 p. 236) 

 Alcedo (bird: a kingfisher), 'bifocal' lens 



of, 257, 442 

 Alligator (reptile: a crocodilian) 



accommodation and refraction of, 272- 

 273, 279 



adnexa of, 42 I -422 



area centralis of, 187 



conus papillaris in, 615, 653 



dermal color changes in, 542-543 



elevation of eyes in, 443 



eyeshine of, 240 



lens of, 620 



ocular structure in, 613-616, 654 



pupil of, 220 



Purkinje shift in, 496 



retina of, 615-616 



tapetum lucidum of, 240, 615-616, 654 



visual acuity of, 207 



visual cells of, 615-616 



visual fields of, 294 

 Alosa (teleost: shad), visual cells of, 586 

 altricial : said of birds hatched featherless 



and helpless; 644 

 Alytes (amphibian: obstetrical toad) 



scleral cartilage of, 595 



vertical pupil of, 223 

 Ambloplites (teleost: rock 'bass'), eye color 

 change in electric shock in, 551 



