INDEX AND GLOSSARY 



777 



flying- (see also Glaucomys, Pteromys) 

 imitation of, by marsupial types, 664 



(see also Petaurus) 

 imitation of, by non-sciurid rodents, 



664 (Anomalurid£e) 

 optic disc in, 1 80 

 retinal vessels in, 201, 654, 658 

 visual cells in, 55-56, 166, 176, 685 

 visual cortex of, 523 

 ground- (see also Citellus, Cynomys) 

 color vision in, 514-515 

 immunity to dazzlement of, 205 

 pupil and habits of, 162 

 pure-cone retinee of, 176, 513-514 

 universal macularity of, 190, 312 

 habits of, 162, 201, 204-205, 227, 312, 



504, 508, 658 

 lens in, 174 [504, 508, 658 



yellow coloration of, 191, 199, 201, 203 

 optic axes in, 297 

 optic nerve in, 179-180, 367 

 pupil in, 227 



retina in, 176-177, 685-686 

 layers of, 684-685 

 vessels of, 684 

 size of eye in, 170 

 activity and, 174 

 visual acuity of, 312 

 visual cells of, 685-686 

 visual cortex of, 523 

 visual fields of, 296, 312 

 zonule in, 682 

 stalked eyes, 403-405, 404 

 Stampfer, 357 



stargazers: Uranoscopidae (^.v.), et al 

 Stark, 525 

 Steatornis (oil-bird) 

 eyeshine in, 240 

 habits of, 201, 500, 545 

 iris coloration of, 545 

 oil-droplets of, 201 

 possible lack of cones in, 500 

 pupil of, 226 

 Stegocephali (extinct amphibians ancestral 

 to reptiles; -i- Lissamphibia = Am- 

 phibia); 137*, 137 

 characteristics of, 137, 208 

 color vision in, 518-519 

 median eyes of, 137, 339 

 probable habits of, 600 

 relationships of, 137-138, 593, 601 

 scleral ossicles of, 274 

 visual cells of, 600, 603 

 stenopaic aperture (or pupil), 224*, 224, 

 386 

 accommodation and, 255-257, 438 

 from crossed pupil and lids, 428 

 from slit pupil -i- astigmatism, 447-448 



Stenotomus (teleost: scup), eye-movements, 

 pupil, and possible fovea of, 304- 

 305 

 step-wise phenomenon, 470*, 473, 475 

 Stereocydops: Hypopachus (in part), q.v. 

 stereopsis, 315* 



basis of, 320-326, 331-338 



in man, 315-319 



monocular, 323, 341-342 



suppression of vision for, 349 

 stereoscope, 315-316, 324, 331-332, 333-334 

 stereoscopic motion piaures, 361 

 stereoscopic visual acuity, 331* 

 Sternoptychidee (teleosts: a lantern-fish 



habits of, 402 [family) 



retina in, 399 

 sticklebacks: Eucalia, Gasterosteus (qq.v.), 



et al; falciform process in, 582 

 Stizostedion (teleost: a percid; pikeperch, 



habits of, 374 [walleye) 



horizontal cells of, 585 



retinal tapetum lucidum of, 236 



visual cells of, 587 

 stone-curlew: Burhinus, q.v. 

 strabismus, 329*-330 (see also squint) 

 Stratton, 505 



streamlining of eye, 377, 379-384, 461 

 strigine: pertaining to owls 

 Strigops (bird: owl-parrot, kakapo) 



area temporalis of, 187 



binocularity of, 295 



habits of, 201, 295 



oil-droplets of, 201 



pecten of, 657 

 Strix (bird: an owl), visibility of infra-red 

 stroboscope, 357*, 357-358 [to, 502 



Struthio (bird: ostrich) 



eyeshine of, 230, 240 



lamina vitrea of, 230 



largest terrestrial eye, in, 642 



mobile upper lid of, 424 



pecten of, 649, 656-657 



ringwulst in, 648 

 Studnicka, eye-origin theory of, 126-128 

 von Studmtz, 100-102, 151, 495 

 sturgeons: Acipenser, Huso {qq.v.), et al 



shovel-nosed: Scaphirhynchus, q.v. 

 Stygicola (teleost: a cave brotulid), eye and 



ecological history of, 388 

 'Stylopkhalmus, 403-405, 404 

 substrate, protection of eye from (see spec- 

 tacle) 

 Suina (mammals: pig-peccary-hippopotamus 

 division of artiodaayl ungulates; 

 see also Hippopotamus) 



accommodation (lacking) in, 285 



anterior segment in, 683 



iris muscles in, 678 



