LIST OF ILLUSTRATIONS xix 



FIG. PAGE 



420. Corneal corpuscles, isolated ........ 568 



421. Meridional section of the choroid coat of the eye . . . .571 



422. Ciliary body and adjacent structures, meridional section . . 573 



423. Developing eye in section, diagrammatic ..... 579 



424. Schematic reconstruction of the developing eye- .... 579 



425. Retina of a child's eye, meridional section ..... 580 



426. Pigmented epithelium of the retina ...... 580 



427. Isolated rod and cone cells ........ 582 



428. Rod and cone bipolars of the human retina 583 



429. The layers of the retina near the margin of macula lutea . . 584 



430. The layers of the retina midway between the macula lutea and 



the ora serrata ......... 585 



431. Horizontal cell of the retina 587 



432. Amacrine cells or spongioblasts ....... 588 



433. A nerve cell of the large ganglion cell layer of the retina . . 589 



434. A fibre cell of Muller 590 



435. Transection through the fovea centralis retinae .... 592 



436. Entrance of the optic nerve 593 



437. Lens fibres 594 



438. Nuclear zone at the margin of the crystalline lens . . . 595 



439. The intrinsic blood vessels of the eye 598 



440. Vertical section through the upper eyelid ..... 602 



441. A lobule of the lachrymal gland . . . . . . . 605 



442. Transection of the lobule of the external ear .... 608 



443. External auditory canal 609 



444. The middle and internal ear of a guinea-pig 610 



445. Transection of the tympanic membrane ..... 612 



446. The margin of the tympanic membrane ..... 613 



447. The auditory ossicles 614 



448. Cavity and ligaments of the tympanum, viewed from above . 615 



449. Transection of the Eustachian tube, diagrammatic . . . 617 



450. The bony labyrinth 619 



451. The membranous labyrinth ........ 620 



452. The margin of the macula sacculi 621 



453. Nerve endings in the macula . . . . . . .621 



454. Transection of a semicircular canal 623 



455. Axial section of the cochlea ........ 624 



456. Axial section through a turn of the cochlea ..... 627 



457. Radial section through Corti's organ 630 



458. Diagram of Corti's organ ........ 633 



459. Axial section through Corti's organ, showing terminal nerve fibrils 635 



460. Scheme of the vascular supply of the internal ear .... 636 



461. Scheme of the vascular terminations in the wall of the cochlear 



canals 637 



462. Method of preparing a paper box for parafin embedding . . 651 







