CONTENTS, OE SYSTEMATIC INDEX. 



CHAPTER XIII. 

 CHARACTERS OF H^MATOTHERMA. 



SECTIOX 



121. Thermogenous organic conditions . 



122. Its results 



123. Characters and orders of the class Ares 



PAGE 



1 

 3 

 5 



CHAPTER XIV. 

 OSSEOUS SYSTEM OF AYES. 



124. G-eneral characters of the Skeleton 



125. Dorsal vertebrse and sternum 



126. Sacral Tertebrse, pelvis, and tail 



127. Cervical vertebrae 



128. The skuU .... 



129. Scapular arch and limbs 



130. Pelvic limbs ... 



14 

 14 

 29 

 39 

 41 

 65 

 75 



CHAPTER XV. 



MUSCULAR SYSTEM OF AYES. 



131. General characters 84 



1C2. Muscles of the vertebrae ......... 86 



133. Muscles of the wings 94 



134. Muscles of the legs 99 



135. Muscles of the skin 109 



136. Locomotion of Birds 112 



CHAPTER XVI. 

 NERVOUS SYSTEM OF AYES. 



137. Myelencephalon of Birds 



138. Nerves of Birds . 



139. Sympathetic system of Birds 



117 

 121 

 127 



