PREFACE, 
—. 
As frequent inquiries have been recently made for 
my ‘ Researches in Zoology,’ which were published 
collectively in the year 1834, and have long been 
out of print, I have been induced to offer to the 
public a second edition of the work, which will be 
found to comprise such additions and emendations 
as subsequent investigations have enabled me to 
effect. | 
The descriptions of British Spiders given in the 
first edition of the ‘ Researches’ are here omitted, 
as they are all included in a ‘ History of the Spiders 
of Great Britain and Ireland’ issued by the Ray 
Society, to which work I refer those zoologists 
who take an interest in that department of our native 
Fauna. 
T may remark that the materials of which the 
present volume. is composed have been collected, for 
