758 



INDEX AND GLOSSARY 



Moore, 188, 236 



Mordacid (cyclostome: a lamprey), 



relationships of, 555 

 Mormyridae (teleosts: elephant-fish family) 

 chorioid gland (lacking) in, 581 

 falciform process (lacking) in, 582 

 guanin in retina of, 585 

 pseudobranch (lacking) in, 581 

 scleral cartilages of, 578 

 spectacles of, 450 

 visual-cell bundles of, 588 

 vitreal vessels of, 582-583 

 Moroni, 535 

 Moras (bird: gannet) 



circular ciliary muscle in, 273, 441 

 depth of swimming of, 226 

 distance-judgement of, 310 

 feeding method of, 439 

 fovese of, 310 

 mosasaurs: extinct reptiles; 138 

 Motacilla (bird: wagtail), retina of, 661 

 motion pictures 

 basis of, 358-361 

 seen by animals, 362 

 mouse, European long-tailed field-: Apo- 

 mouse, house- [demus, q.v 



color vision in, 510-511 

 extent of cornea in, 214 

 eye of, 173 



protrusion of, 426 

 lens of, 1 73, 674 

 lid movements of, 425 

 optic axes of, 297 

 optic disc of, 179 

 mouse, red-backed: Clethrionomys, q.v. 

 movement and its perception 

 apparent 



autokinetic, 347* 



stroboscopic (= ^i-phenomenon), 356- 



365, 357, 359, 367 

 of whole field, 301, 348 

 avoidance of, 312 

 grades of, 345-347 



sensory basis of, 349-365 

 perception of, 247, 303, 342-367 

 accommodation and, 366 

 adaptation and, 352-356 

 avian pecten and, 365-367, 651 

 barrel distortion and, 354 

 in center vs periphery, 352-356 

 motor factors in, 348-349 

 pathology of, 364 

 primitiveness of, 343 

 real vs apparent, 361-362 

 relativity of, 347-349 

 in scotomata and hemianopia, 343 

 sensory factors in, 349-367 

 threshold of, 347. 350 



referred, 349* 



saliency of, 343-344, 353, 355-356 

 toward-, 344 

 movingness, 346* -347, 351*; in animated 



cartoons, 360 

 mud-minnow: Umbra, q.v. 

 mud-skippers: Boleophthalmus, Periophthal- 



mus, qq.v.; spectacles in, 450 

 MiiUer, D., 508 

 MiJller, H., muscle(s) of 



(circular) of ciliary body, 10, 32-33*, 280 



distribution of, 272-273, 285-286, 441 

 of human upper lid, 39*, 39 

 (meridional), special, of avian ciliary 

 body, 280*, 646 

 Note: Still a fourth 'muscle of 

 Miiller' occurs as a vague sheet 

 of smooth fibers in the mammal- 

 ian orbit 

 Miiller, J. (see also Newton-Miiller-Gud- 

 Muenzinger, 509 [den), 291 



Mugil (teleost: mullet) 



aerial vision and adaptations therefor in, 

 color vision in, 476-477 [435-436 



visual cells in, 586 

 mullet: Mugil, q.v. 

 Munn, 509 



Murex (mollusc: a snail), eye of, 3 

 Muridce (mammals: mouse family of 

 ciliary muscle in, 285, 680 [rodents) 



degenerate eyes in, 677 

 eyes of, 680 

 lacrimal system in, 426 

 optic axes in, 297 

 vision of, 288 

 Murphy, 226 



Murray turtle: Chelodinct, q.v. 

 murres, ringwulst in, 647 

 Mus (see mouse, house-) 

 muscles (see also Miiller, H.) 



Briicke's: principal, meridional ciliary 



muscle; see ciliary muscle (below) 

 bursalis [and Briicke 



in birds, 270, 420-421, 424, 642 

 derivation of, 642 

 in lizards, 421, 423 

 retractor of, 421 

 of chorioid, 281, 442, 645 

 ciliary (of Briicke, Crampton, and Miil- 

 ler), 261-263, 267, 269-270, 272- 

 273 (Table VIII), 277-278, 279- 

 282, 284-288, 409, 414, 437, 441 

 445, 583-584, 592, 595-596, 602 

 609-610, 614, 618-619, 623-624 

 632, 645-646, 665, 673-674, 679 

 corneal, 258-259, 556 [680 



depressor (of lower lid), 425, 644 

 'E', 564 



