C0XTEXT8 



VAOE 



oS 

 62 

 64 

 64 

 67 

 69 

 70 



SI 



82 



93 

 96 



102 

 . . 102 



I). Paired Fins or Limbs . . , . 103 



Pectoral Arch ... . . 1CK3 



of Fishes and Dipnoans . 106 



of Amphibians . . . 107 



of Reptiles . . ILIS 



of Birds ...... . . 109 



of JIammals . . . 109 



Pelvic Arch ... 109 



of Fishes . 109 



of Dipnoans . . Ill 



of Amphibians , .111 



of Reptiles , . . . ... 114 



of Firds . . . . 119 



of Mammals .... . 120 



Free Limbs . . . .122 



of Fishes and Dipnoans . . . . . 122 



Phylogeny of the Ichthyopterygium . . . 124 



General Considerations on the Limbs of the higher Vertebrata 12.i 



Free Limbs of Amphibians .... . 127 



of Reptiles . ... 127 



of Birds . . . ... 129 



of Maiiinials , . .... 130 



C. MUSCULAR SYSTEM . . .135 



INTEGUJIEXTARY MUSCULATURE . ... 136 



MUSt'LES OF THE TRUNK ... ... . . . l.i" 



of Amphioxus, Fishes, and Dipnoans ... ]37 



of Amphibians . y^~ 



of Reptiles .... 138 



