CONTENTS. 
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PMDICA TION scuutynsel he Cee ese Ore we. ceo sae EPay 
IBRURACH PME Ace! acu e i cttn eiee ee oS eo Vv 
CHAPTER I. 
JIRGRRODUORION 5. 6 a o 6 @ of © 6 O G@ Geo ¢ 1 
CHAPTER II, 
THe ExTeRNAL STRUCLURE OF BIRDS ...... L134 
CHAPTER III. 
Dem INTERNAT.SKEHLETON «+ 0". « © «6 « « «  JLGY 
CHAPTER LY. 
THE OTHER SYSTEMS OF ORGANS, AND THE DEVELOP- 
MENT AND MieRaTION oF Birnps .... .. £202 
CHAPTER V. 
THE GEOLOGICAL AND GEOGRAPHICAL RELATIONS OF 
ISTRD Sie ci) ss: -s oMageiee sche cote. aL tron On oak 
CHAPTER VI. 
THE CLASSIFICATION OF Binps ........ 251 

ASEPHABWEIOAT ENDEX <0 is0-05 ape % ee et ee |} BO 
