LIST OF ILLUSTRATIONS. 



FIGCRE PAGE 



1. Olfactory cells. (KOLLIKER.) . . . . .28 



2. Rods of the retina. (SCHULTZE.) . . . . 57 



3. Section of the human retina. (KOLLIKER.) . . . .59 



4. Scheme of the connection of the rods and cones of the retina with 



the optic nerves. (KOLLIKER.) . . . . .60 



5. Section of the human eye. (HELMHOLTZ.) ... 67 



6. Diagram of refraction by prisms. (FLINT, JR.) . . , .78 



7. Diagram of refraction by convex lenses. (FLINT, JR.) . . 78 



8. Muscles of the eyeball. (SAPPEY.) . . . . .131 



9. Lachrymal apparatus. (SAPPEY.) .... 144 



10. General view of the organ of hearing. (SAPPEY.) . . . 155 



11. Ossicles of the ear, after Arnold. (QUAIN.) . . . 156 



12. Ossicles of the ear and the membrana tympani. (RUDINGER.) . 157 



13. Bony labyrinth. (RUDINGER.) . . . . .164 



14. Resonators of Helmholtz. (HELMHOLTZ.) .... 185 



15. Vertical section of the cochlea. (KOLLIKER.) . . . 216 



16. Section of the canal of the cochlea. (SAPPEY.) . . . 217 



17. Distribution of the cochlear nerve in the lamina spiralis. (SAPPEY.) 220 



18. Pillars of the organ of Corti. (SAPPEY.) .... 222 



19. Vertical Section of the organ of Corti. (WALDEYER.) . . 223 



20. Dorsal surface of the tongue. (SAPPEY.) .... 250 



21. Circumvallate papilla of the tongue. (SAPPEY.) . . . 251 



22. Fungiform, filiform, and hemispherical papillae. (SAPPEY.) . . 251 



23. Taste-buds, from the lateral taste-organ of the rabbit. (ENGELMANN.) 252 



24. Uterus and its appendages. (LUSCHKA.) .... 269 



25. Section of the ovary. (WALDEYER.) .... 276 



26. Graafian follicle. (LUSCHKA.) ..... 278 



27. Virgin uterus, completely isolated. (LUSCHKA.) . . . 279 



28. Interior of the virgin uterus. (LUSCHKA.) .... 280 



29. Ovum of the rabbit. (WALDEYER.) . . 292 



30. Testicle and epididymis. (KOLLIKER.) . . . .317 



31. Human spermatozoids. (LUSCHKA.) .... 326 



32. Development of the spermatozoids in the rabbit. (LIEGEOIS.) . 828 



