CONTENTS. 
—++—— 
I. 
INTRODUCTION—SUMMARY OF THE RESULTS OF LINGUISTIC INQUIRY 
—POSITIVE KNOWLEDGE PRELIMINARY TO TIE DOCTRINE OF 
DESCENT—BELIEF IN MIRACLE—TuHE Limrrs OF THE INVESTI- 
GATION OF NATURE ° ° ° . ° . ° . . 
Il, 
Tue ANIMAL WorLD IN ITS PresENT STATE ° ° . . ° 
TIL. 
THE PHENOMENA OF REPRODUCTION IN THE ANIMAL WorLD, f 
IV 
THE ANIMAL WoRLD IN ITS HISTORICAL AND PALASONTOLOGICAL 
DEVELOPMENT * ° ° . . . . . . i 
Vv. 
THE STANDPOINT OF THE MIRACULOUS, AND THE INVESTIGATION 
OF NATURE—CREATION OR NATURAL DEVELOPMENT—LINNEZUS 
—CUVIER—AGASSIZ—EXAMINATION OF THE IDEA oF SPECIES. 
VI. . 
NATURAL PHILOSOPHY—GOETHE—PREDESTINED TRANSFORMATION 
ACCORDING TO RICHARD OWEN—LAMARCK . ‘ . 5 ‘ 
PAGR 
24 
39 
82 
104 
