VI 
wide general knowledge of the other orders of insects and of his more 
general writings the best known are undoubtedly the two volumes on 
insects in the “Cambridge Natural History” published in 1895 and 
1899 which have become standard works and classics. 
But perhaps his greatest service to Zoology was his work 
for the Zoological Record with which he was connected for over 
forty-five years as Recorder of Insecta and General Editor. He 
greatly improved the arrangement and the facilities for reference and 
continued to carry on the work through the period during which the 
Record and the International Catalogue of Scientific Literature were 
being carried on as a joint undertaking. 
W. L. S. 
