LIST OF ILLUSTRATIONS. 
Pig. 1. Aapidiotue albopttnctatua ; anal plate of female. 
2. Parlotoria thece var. viridis; anal plate of female. 
;>. MytUaspis carinatus ; anal plate of female. 
1. A8pidiotu8 secretus ; anal plate of female. 
5. Chionaspis lutmbusti : anal plate of female, 
ti. Parlatoria thece ; anal plate of female. 
CONTENTS. 
Introduction /,. 0, Howard.. 
Report of a trip to investigate insects of economic importance in Mexico. 
C. If. Tyler Townsend.. 
Insects injurious to stored cereal and other products in Mexico. 
/'. //. Chittenden . . 
Notes and descriptions of the new Coccidse collected in Mexico by Professor 
Townsend T. J). A. Covkerdl.. 
A list of scale insects found upon plants entering the port of San Francisco. 
ilexander (raw. . 
Some ( loccidse found by Mr. ( 'raw in the course of his quarantine work at San 
Francisco T. J). A. Cockerel! . . 
Some new species of Japanese Coccidse collected by (). Takahashi. 
T.D. A. Coekerell.. 
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