TABLE OF CONTENTS. 



3. The Cochlea .... 

 The Membranous Labyrinth 



1. Tlie Membraiioua Vestibule . , 



2. The Metiii)ranou8 Semicircular Canals 



3. The Membranous Cochlea 

 Fluids of the Labyrinth . 

 Distribution and TerminatioQ of the Auditory Nerve in the Membranous 



Labyrinth .... 



Article IL— Middle Ear, or Case of the Tympantm 



1. Membrane of the Tympanum 



2. The Promontory, Fenestra Ovalis, and Fenestra Rotunda 



3. The Mastoid Cells .... 



4. The Bones of the Middle Ear 



5. The Mucous Membrane of the Tympanum 



6. The Eustachian Tube 



7. The Guttural Pouches 

 Article III. — The External Ear . 



Tiie External Auditory Canal. 

 The Concha, or Pavilion . 



1. Cartilages of tlie Concha. 



2. Muscles of the External Ear . 



3. Adipose Cushion of the External Ear 



4. Integuments of the External Ear 

 Differential Characters in the Auditory Apparatus of the otlier Animals 



Comparison of the Auditory Apparatus of Man with that of Animals 



PAGB 



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BOOK VIII. 



GENERATIVE APPARATUS. 



Chapter I.— Genital Organs of the Male 



Tlie Testicles, or Secretory Organs of the Semen . . 



1. The Tunica Vaginalis .... 



2. The Testicles ..... 

 Excretory Apparatus of the Semen 



1. The Epididymis and Deferent Canal. 



2. The Vesiculse Seminales and Ejaculatory Ducts . 



3. The Urethra ...... 



4. The Glands annexed to the Urethra . 



5. The Corpus Cavernosum . . . c . . 



6. The Penis ...... 



Differential Characters in the Male Genital Organs of the other Animals . 



Comparison of the Genital Organs of Man with those of Animals 

 Chapter II. — Genital Organs of the Female .... 

 1 The Ovaries ....... 



2. The Fallopian or Uterine Tubes, or Oviducts .... 



3. The Uterus ....... 



4. The Vagina ........ 



5. The Vulva ........ 



6. The Mammje ........ 



Differential Characters in the Female Genital Organs of the other Animals 



Comparison of tlie Genital Organs of Woman with those of Domesticated Female 

 Animals ........ 



Chapter III — Generative Apparatus of Birds 



1. Male Generative Organs .... 



2. Female Generative Organs .... 



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