Technical Series, No. 16. Part IV. 



U. S. DEPARTMENT OF AGRICULTURE. 



BXJREATJ OW E]SrT0M:031.0GS-Y. 



L. 0. HOWARD, Entomologist and Chief of Bureau. 



PAPERS ON COCCIDiE OR SCALE INSECTS. 



CATALOGUE 



RECENTLY DESCRIBED COCCID^-IIL 



By E. R. SASSCER, 



Scientific Assistant. 



Issued June 8, 1911. 



WASHINGTON : 



GOVERNMENT PRINTING OFFICE. 



1911. 



