962 REPORT OF THE DEPARTMENT OF ENTOMOLOGY OF THR 
with a resin wash and the remainder with a whitewash known 
as government whitewash. Both have been suggested as being 
effectual against the San José scale. They were made after 
the following formulae: 
Resin Wash. 
Resin- 4. doce es Baie cer Wetec sistas Akio s --ee. 10% pounds 
CLI kcal wg stent ake cee el allaiecese tale ase mute sel el aee e eee 21 pounds 
RLS AOL RY, Rare the Giiako eae ates wtb, Se o Bree scorers 134 quarts 
WROD Se cc baie tetes Set oRUa sera e Sate se F nishere a -- 21 gallons 
Boil the resin, soap and fish oil in about one-fourth of the 
water until dissolved. While boiling, gradually add remainder 
of the water. Care should be taken not to add the cold water 
too fast as it has a tendency to precipitate the resin. 
Government whitewash. 
Slaked lime...... EAE PE hn a ea 1%, bushel 
PLUGS ak ccc co carteinised ste mine a 8 Pb lere Wiese ele anele eek ¥% bushel 
TICES. RE rere abe esate a aahatettace Sata Die oe vis cane AO MOS 
Glueh. «ati eckas 4 B55 otercere weltGan® SEP re rt baista 
Water sos in ir erape eS ake teiev acetals rer errs ei Fein 
Boil the rice with enough of the water to make a moderately 
thin paste. Dissolve the glue in a small amount of hot water 
and boil the salt and lime in what is left of the ten gallons of 
water until a thin whitewash is formed. Then add the rice and 
glue solutions to the whitewash and boil for at least half an 
hour. 
Weather during tests in Table XI.—Spring treatment. Trees 
sprayed April 12. Temperature 47°, fair. Weather during the 
week following usually fair with average temperature of 51°. 
TABLE XI.—TREATMENTS IN ORCHARD V, 

Trees. 
| a SS EE EE Ee rg Ene Se aR GES Em er, 
Number Degree of 
Kind. treated. infestation. Mixture used. Results. 
PLUM: 
Var. unknown. 10 3 extensively Resin-lime Scales not af- 
and 7 moder- mixture, fected. Trees 
ately infested. uninjured. 
Var. unknown. 10 4 extensively Government Seales not af- 
and 6 moder- whitewash, fected. Trees 
ately infested. uninjured. 
