1Y 
PREFACE. 
manner in which the various objects referred to should be 
treated. 
The various chapters have been written by different members 
of the staff of the Natural History Museum, with the hope 
that the distribution of this work will lead to the formation 
of important collections which will ultimately come to us for 
study and comparison, and possibly enrich the series preserved 
in the Museum. 
British Museum (Natural History), 
Cromwell Road, 
r , , London, S.W. 
June 1st, 1902. 
E. Ray Lankester, 
Director. 
In issuing a second edition of this Handbook it has been 
found necessary to make only a few slight alterations and 
additions, the principal being hints on collecting Ticks and 
the importance of securing a considerable number of specimens 
in certain groups, such as Arachnida and Myriopoda. 
R R T 
January 1st, 1901 . ' Ci ' u ' 
In the present edition some instructions are given respecting 
the collecting and preservation of Blood-sucking Arthropoda, 
other than Mosquitoes and Tsetse-flies. With this exception,’ 
only a few minor alterations and additions have been made! 
E. R. L. 
January, 1900 . 
