PREFACE. XV 
ventured to adopt; and he would only recommend 
it to the student of Zoology, until a more complete 
work shall appear, which would be perused by no 
one with greater eagerness than himself. 
The analytical Table of Contents exhibits so 
fully the method which has been followed, and the 
subjects which have been treated of, as to supersede 
the necessity of an Alphabetical Index. 
CONTENTS 
