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ORONO 



BULLETIN No. 173. 



DECEMBER, 19C9. 



CHERMES OF MAINE CONIFERS. 



CONTENTS. PAGE: 



Chermes pinifolise 277 



Chermes abietis 290 



Chermes lariciatus 294 



Chermes consolidatus 297 



Chermes floccus 299 



Chermes similis 301 



Chermes pinicorticis 4 . 303 



