X PREFACE. 
has therefore thought it advisable, under these 
circumstances, to adopt in the Systematic Index 
the arrangement of M. Cuvier, the more especially 
as the mere list of the sixty or seventy Quadru- 
peds contained in this volume would offer a very 
imperfect and unsatisfactory idea of the details of 
a novel classification. 
The Editor has only, in conclusion, to offer his 
best acknowledgments to the kind friend above 
named for his general revision of the work, and for 
numerous valuable suggestions. To Mr. Broderip 
he is also indebted for the communication of much 
interesting information; as well as to Dr. Wallich, 
Mr. Yarrell, and other valued friends, who have 
kindly assisted him in his task. Nor can he suffer 
the opportunity to pass of offermg his thanks to 
Mr. Harvey for the patient attention with which 
he has watched the manners of the animals for 
the purpose of investing their portraits with that 
natural expression in which zoological drawings 
are too often deficient; and to Messrs. Branston 
and Wright for the pains which they also have 
taken in making themselves masters of the subjects 
previously to the execution of the Cuts. 
E. T.. BENNETT. 
Lonpon, JUNE 30, 1830. 
