IV 
PREFACE. 
the work ; and The Editor is confident that he could not have 
met with a more able^ a more painstaking, or a more willing 
assistant. To that gentleman and to the other Eecorders he 
begs leave to offer his thanks for the readiness with which they 
have acquiesced in most of his suggestions. 
A. N. 
Magdalene College, Cambridge, 
May, 1873. 
Communications, papers, and memoirs intended for this work should 
be addressed solely to “ The Editor of the Zoological Record, care of Mr. 
Van Voorst, 1 Paternoster Row, London.” It is earnestly requested that in 
the case of separately-printed copies of papers so forwarded the uriyinal 
pagination be indicated. 
