Bulletin — Co;? //^//^c/. 



Kentucky Agricultural Experi- 

 ment Station cited, 125, 127,138. 

 Maryland Agricultural Experi- 

 ment Station cited, 28, 2g. 

 Burning leaves to destroy mite 

 causing pear-leaf blister, 134. 



C 



California and Oregon washes for 

 the San Jose Scale, cost 

 of, as compared with 

 that of kerosene emul- 

 sion and whale-oil soap, 

 8g, go. 

 effect of rain upon, ex- 

 perimental test of, 87. 

 effect of water sprays up- 

 on trees treated with, 73. 

 experiments with, 67-go. 

 general features of, 6g. 

 period and methods 

 of, 70. 

 results of, 6g, 70. 

 tables giving, 73. 

 (See also under 

 California wash 

 and under Ore- 

 gon wash.) 

 explanation of, 73. 

 trees used in, 71. 

 weather during, 71. 

 insecticide effect of, as 

 compared with that of 

 whale oil soap, 8g. 

 practical conclusions 

 concerning use of, 8g. 

 preparation of, 72. 

 use of, in California and 

 Oregon, 67. 

 in the East, 67. 

 in Illinois, 68-90. 

 wash, details of experiments 

 with, 74-81. 

 formulcc for, 53, 72. 

 for San Jose Scale, field use 

 of, and results, 45, 50, 52-56. 

 general results of experiments 

 with, 81. 

 method of determining effect 

 of, 74. 



California wash — Continued. 



tables showing effect of, 75, 78. 

 used on Api)le, 55, 71, 74, 78. 

 on Peach, 50, 52, 53, 54, 55, 



68, 71, 78. 

 on Pear, 53, 55. 

 on Plum, 50, 53, 54, 55, 68. 

 Canker-worm at Decatur, 111., 143. 

 at Jacksonville, 111., 139-143. 

 crude petroleum as protection 

 against, g3. 

 eggs of, 139, 140.. 

 in the Sangamon forests, 143. 

 injury by, checked by hailstorm, 

 140. 

 to orchards by, 144. 

 to Red-haw and Wild Cherry, 

 144. 

 measures against, 139-143, 144. 

 on shade and forest trees. 139- 

 144. 

 carpophilum, Cladosporium, loi. 

 Carter, Joseph, 8. 



Cat-tail Flag infested by larva of 

 Sjihenophorus pertinax, 17. 

 Ceanothus as food |)lant of Colas- 

 pis brunnea, 148, 

 cerasi, Myzus, 129. 

 Cherry Aphis, I2g. 



date of spraying for, 129. 

 eggs of, 129. 

 effect of kerosene emulsion upon, 



48, 49. 51- 



infested by Walnut Scale, 115. 

 injured by Leaf-crumpler, 130. 

 -scab, 127. See under Peach 



fruit-spot, 

 sprayed with crude petroleum, 

 92 ; effect, 93. 

 with pure kerosene, 92 ; effect, 



93- 

 subject to attack by Peach-tree 

 Borer, 100, 122. 

 to crown-gall, 100. 

 to peach fruit-spot. 

 Wild, injured by Canker-worm, 



144- 



Chickens, attempt by, to eat Sphe- 

 nophorus ochreus. 14. 



Chionaspis furfura, 118. See Scur- 

 fy Scale. 



