xxvi TABLE OF CONTENTS. 



PAGE 



The Intestines ....... 400 



1. The Small Intestine ... 400 



2. The Large Intestine . . . . . . 407 



A. Csecum -.... 407 



B. Colon ........ 410 



c. Rectum ........ 413 



Differential Characters in the Intestines of other than Soliped Animals . 414 



1. The Intestines of Ruminants ..... 414 



2. The Intestines of the Pig ..... 416 



3. The Intestines of Carnivora . . . 416 

 Comparison of the Intestines of Man with those of Animals . 417 

 General and Comparative Survey of the Abdominal or Essential Portion of 



the Digestive Canal . . . . . . .418 



Organs Annexed to the Abdominal Portion of the Digestive Canal . 419 



1. Liver ........ 419 



2. Pancreas ...... 427 



3. Spleen ........ 428 



Differential Characters in the Organs Annexed to the Abdominal Portion of 



the Digestive Canal in other than Soliped Animals . . 432 

 Comparison of the Organs Annexed to the Abdominal Portion of the Digestive 



Canal of Man with those of Animals ..... 434 



CHAPTER III. The Digestive Apparatus of Birds .... 435 



BOOK III. 



RESPIRATORY APPARATUS. 



CHAPTER I. Respiratory Apparatus in Mammalia .... 439 



The Nasal Cavities , .... 439 



1. The Nostrils . , . . . . .440 



2. The Nasal Fossae ...... 441 



3. The Sinuses . , . . . - 446 

 Differential Characters in the Nasal Cavities of other than Soliped Animals 448 

 Comparison of the Nasal Cavities of Man with those of Animals . 449 



The Air-tube succeeding the Nasal Cavities .... 449 



1. The Larynx .... 449 



2. The Trachea . . . . . .457 



3. The Bronchi ..... 460 

 Differential Characters in the Air-tube succeeding the Nasal Fossae of other 



than Soliped Animals ... 461 

 Comparison of the Larynx and Trachea of Man with these Organs in the 



Domesticated Animals ..... 462 



The Thorax ... . 462 



Differential Characters in the Thorax of other than Soliped Animals .. 466 



The Lungs . ,..'... 466 



Differential Characters in the Lungs of other than Soliped Animals . 470 

 Comparison of the Larynx. Trachea, and Lungs of Man with the same 



Organs in Animals ........ 471 



The Glandiform Bodies connected with the Respiratory Apparatus . 



1. The Thyroid Body , . . . . . .472 



2. The Thymus Gland ..... 473 

 Differential Characters in the Glandiform Bodies annexed to the Respiratory 



Apparatus of other than Soliped Animals .... 474 



