CONTENTS. 
-- 
PAGE 
INTRODUCTION. 1 
CHAPTER I. 
On the Vital Operations of Animals, and the Instruments 
BY WHICH THEY ARE PERFORMED. 17 
CHEMICAL CONSTITUTION OF THE ANIMAL BODY ... 31 
STRUCTURE OF THE PRIMARY TISSUES.36 
CHAPTER II. 
General View of the Animal Kingdom.84 
Vertebrata. 84 
MAMMALS.89 
BIRDS. 92 
REPTILES.93 
BATRACHIA.97 
FISHES.100 
Articulata ..102 
INSECTS. 104 
ARACHNID A.105 
CRUSTACEA.106 
CIRRHIPEDA ..109 
MYRIAPODA., ... 110 
ANNELIDA. ib. 
ENTOZOA. Ill 
Mollusca.112 
CEPHALOPODA.116 
PTEROPODA.117 
GASTEROPODA ..118 
CONCHIFERA. ib. 
TUNICATA.121 
POLYZOA.122 
