A complete inspection on the farm of origin disclosed two additional 
A. variegatum ticks, from a sheep and from a cow. The premises was placed 
under insular quarantine, and systematic dipping commenced. 
A campaign to eradicate B. microplus and Dermacentor nitens ticks from the 
Virgin Islands Is underway, and systematic dipping began on the island of 
St. Croix in January 1972. 
Coumaphos and Dioxathion Dips Approved 
Effective September 27, 1971, Part 72, Title 9, Code of Federal Regula- 
tions, was amended to recognize as permitted dips coumaphos (Co-Ral ) 
25 percent wettable powder used at a strength of 0.125 to 0.250 percent 
and dioxathion (Delnav) used at a strength of 0.125 to 0.160. 
SOROS 
CAUTION: Pesticides can be injurious to humans, domestic animals, 
desirable plants, and fish or other wildlife -- if they are not 
handled or applied properly. Use all pesticides selectively and 
carefully. Follow recommended practices for the disposal of surplus 
pesticides and pesticide containers. 
Ua Festi 
FOLLOW THE LABEL 
U.S. DEPARTMEMT OF AGRICULTURE 
10 
