TABLE OF CONTENTS. 



3. The Cochlea 

 The Membranous Labyrinth 



1. The Membranous Vestibule 



2. The Membranous Semicircular Canals 



3. The Membranous Cochlea 

 Fluids of the Labyrinth . . . . , 

 Distribution and Termination of the Auditory Nerve in the Membranous 



Labyrinth ••■•.. 



Article II.— Middle Ear, ob Case of the Tympanum 



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. Tlie Guttural Pouches . 

 Article III.— The External Ear . 



The External Auditory Canal. 

 The Concha, or Pavilion . 



1. Cartilages of the 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 other Animals 



Comparison of the Auditory Apparatus of Man with that of Animals 



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BOOK VIII. 



GENERATIVE APPARATUS. 



Chapter I.— Genital Organs of the Male 



Tiie 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 . . 



6. The Penis 



Diiferential Characters in the Male Genital Organs of the otlier 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 Mammae 



Differential Characters in tlie Female Genital Organs of the othpr Animals . 

 Comparison of the 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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