132 



San Jose Scale and its allies — Continued. 



similarity of appearance of, 



xxii, 114. 



artificial infection of, xx, 22. 



Bowker's Tree Snap for, xxiv, 74. 



"Calcothion" for, xxiv, 70. 72. 73, 



75. 76. 77. 

 California washes for, xxiv. 64- 



66. 67. 69. 70. 71. 76. 

 caustic-soda solution for, xxiv, 74. 

 climatic checks on, xx. 4. 19. 

 condition, in 1896, and 1897, of 

 Illinois localities infested by, xx, 

 8-12. 

 "Con Sol" for. xxiv, 70, 72, 73, 



76. 

 cooperation in insecticide work for. 



xxi. 26. 

 cops of circular on, xxi. 12. 

 cost of materials contained in va- 

 rious insecticides for, xxiv. 74- 

 76. 

 description of, xx 15-17. 

 discovery of. in Illinois, xx, 6. 

 of new Illinois localities, in 1897 

 and 1808. for, xxi. 3-5. 

 disinfection of Quincv orchard 



infested by, xx, 12-15. 

 distribution of. in Illinois, xx. 8; 



xxi. 44. 

 entomological enemies of, xx, 19- 



22. 

 experiments and observations on 

 the use of crude petroleum 

 and pure kerosene for. xxii. 

 91-95. 

 with summer washes for, xxii. 

 96. 

 extension of range of, and diminu- 

 tion of numbers, xx. 3. 

 extermination of, xxi, 25. 

 food plants of. xx. 1 ; xxi, 13. 

 "Frutolin" for. xxiv. 73. 

 fumigation for. xxi, 25-26; xxii, 

 28-44. See also under Orchard 

 fumigation. 

 fungous diseases of, xx, 22; xxi. 



2, 24. 30-40. 

 fungus parasite of, xxii. 69. 

 gasoline blast lamp used against, 

 ^ xxiv. 44. 46-48. 

 in California, xx. 18. 

 in Illinois, xx, 1-25. 



recent work on the, xxi. 1-47. 

 increase of area infested by 

 the. xxi. 5. 

 injuries by. xx. 2-3. 

 insecticide treatment for, xxi. 2, 

 11-30. 

 apoaratus used in, xxi. 14- 

 16. 29-30. 44. 45. 46. 



San Jose Scale, etc. — Continued. 



details of, with statement 



of results, xxi, 16-26. 

 general procedure in. xxi. 

 29. 

 insecticides for, general summary 



concerning four, xxii, 56. 

 inspection of Illinois orchards in- 

 fested by, xx. 7. 

 kerosene and lime mixtures for, 

 xxiv. 73. 

 mixtures and emulsions for. 

 xxvi, 59. 

 legislation against, xxi, 11-12. 

 life history of, xx, 17. 

 lime and sulphur washes for, xxii, 

 67-90; xxiv, 62. 63-73. 76, 77. 

 sulphur, and soda mixture for, 

 xxiv. 68-69, 70. 71. 72, 76. 

 liquid insecticides for, xxii, 27. 



56. 

 loosening of, by insecticides, xxii, 

 69. 

 by rain and water spravs. xxii, 

 "88. 

 methods and results of field in- 

 secticide work against, xxii. 27- 

 66. 

 miscellaneous field memoranda on, 



xxi. 42M3. 

 mode of distribution and varia- 

 tion in attack of. xxi. 6. 

 natural checks on multiplication 



of. xx. 18-23. 

 Oregon washes for. xxiv, 66, 67, 



69. 70. 71. 72, 73. 76. 



origin and dispersal of, xx, 4-6. 

 parasites of. xx. 4. 19: xxi. 24, 



31 MO. 

 power of locomotion of, xxi. 42. 

 precautionary and remedial meas- 

 ures against, xx, 23-25. 

 reproduction of, xx. 113; xxi, 42. 

 "Scalecide" for, xxiv, 70, 73. 76. 

 spontaneous death of, xxii. 69. 

 "Tak-a-nap" soap solution for, 



xxiv. 70. 73-74. 

 trees equally liable to infestation 



by, xxii. 116. 

 volunteer nursery inspection on 



account oi. xxi. 7-11. 

 winter stage of. xxii. 113. 



washes for. xxii. 89. 

 whale-oil soap solution for, and 



cost per hundred gallons, xxiv. 



70, 73-74, 76. 

 sanguinea, Cycloneda, xiv, 33. 

 sanguinoknta, Agallia, xxi. 65, 69. 



