iv PREFACE, 
large anatomical and literary knowledge he has brought to bear 
upon it, it is not necessary for me to speak—they are known to all 
zoologists ; and [ hardly need point out that the value of the work 
has been greatly increased by the numerous carefully executed 
figures of new species and of illustrative anatomical details which 
it contains. 
W. H. FLOWER, 
Director. 
April 15, 1896. 
