Vol. XXV] ENTOMOLOGICAL NEWS. 393 



some system of co-operation,, whereby the different inspectors 

 could be informed of such happenings, would be of value in 

 putting one on his guard, at least with respect to some species. 

 By consulting the charts, one can get an idea of the proportion 



Chart I. — Importations of Nursery Stock into New Jersey, Spring of 1913. 

 6600 parcels. 



of stock received from various European countries, Holland 

 and Belgium being by far the largest exporters, at least into 

 New Jersey. The narrow blank sector in each circle repre- 

 sents the amount of stock from all other foreign countries. 



The majority of the stock coming from Holland consists of 

 boxwood, evergreens, fruit trees, roses and deciduous plants ; 

 from Belgium we get palms, bay trees, azaleas, rhododendrons 

 and shade trees ; from France, shrubs, fruit stock, evergreens ; 



