CONTENTS. 
PART I. 
ON THE STHtrCTURE AND NATURAL HISTORY OF BIRDS IN 
general. 
CHAPTER I. 
'’of uJZcs "f “>«> Class. _ Its UdatioR to those 
Reptiles and Quadrupeds. _ Its primary Divisions and Orders Page 1 
CHAP. II. 
- 19 
CHAP. HI. 
' Rird?*'' “"tinuoi-Thc Feathers, Wings, Tail, and Feet of 
- 75 
The s.ame Subject continueil. _ On the different Modifications of perching 
climbing, wadmg, and swimming Feet. - The Voice and Nests of Biros 
12S 
PART II. 
ON THE bibliography, NOMENCLATURE, AND PRE.SERVATION 
OF HIRD.S. 
CHAP. I. 
An Eniimeratioii of tlie chief Works on Ornithologv. with critical and 
ONplanatory Remarks . . liw 
