Technical Series No. 6. 
USS OP eat IMENT OF AGRICULTURE. 
DIVISION OF ENTOMOLOGY, 
fini oAN JOSE SCALE 
AND ITS NEAREST ALLIES. 
A BRIEF CONSIDERATION OF THE CHARACTERS WHICH DISTINGUISH THESE CLOSELY 
RELATED INJURIOUS SCALE INSECTS. 
Prepared under the direction of the Entomologist 
BY 
DA COC KH rh rh, 
Entomologist of the New Mexico Agricultural Experiment Station, Las Cruces, 
New Mexico. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1897. 
