334 



It has been impossible in many cases to determine whether an imported 

 ■species lives in the open air or only in greenhouses, when the fact was not 

 stated by the author; and it is probable that the words, "in greenhouses," 

 should have been added to more species included in this work. 



The species with the habitat " California, at quarantine " may not have 

 become established in that state, as the law required the plants on which the 

 insects occurred to be fumigated or destroyed if they were to remain in Cal- 

 ifornia ; but if they were directed to other states, they were forwarded to 

 :their destination. 



The writer would be glad to have her attention called to any errors or 

 important omissions that may be detected in this work, and also to receive 

 papers or separata of articles on Coccidae published later than March i, 

 1903, in order that they may be catalogued in a Supplement should there be 

 .a demand for such a work. 



