CONTENTS. 
CHAPTER I. 
GENERAL SKETCH OF THE EARLY PROGRESS IN NATURAL 
HISTORY . . . . . . : . . . . 1 
CHAPTER II. 
NOMENCLATURE AND CLASSIFICATION . : = . ch ls 
CHAPTER III. 
CATEGORIES OF CLASSIFICATION : : = 3 . - 30 
CHAPTER IV. 
CLASSIFICATION AND CREATION c 5 - 5 ran af 
CHAPTER V. 
DIFFERENT VIEWS RESPECTING ORDERS. . . . 
“I 
wb 
CHAPTER VI. 
GRADATION AMONG ANIMALS . s - 5 7 e Gee 
CHAPTER VII. 
ANALOGOUS TYPES . 7 4 5 5 : - A - 1038 
CHAPTER VIII. 
FAMILY CHARACTERISTICS = 5 - = : E - 209 
