,? CJ- T- 



fj-f^^ 



Technical Series, No. 16, Part I. 



\' 



(/• U. S. DEPARTMENT OF AGRICULTURE, 



BXJREATJ OF EISTTOIMOLOO^^. 



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



/6 O 



PAPERS ON COCCID.E OR SCALE mSECTS. 



THE NATIONAL 

 COLLECTION OF COCCID^. 



By C. L. MARLATT, M. S., 



Entom.olocji)<t mid Af<sistant Chief of Bureau. 



Issued April 23, 1908. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 19 8. 



