H 



Hackberry injured by Putnam 



Scale, 115. 

 Hamilton, John, on Sphenophorus 



pertinax, 18. 

 Hartwell ranch, injury to Corn on, 



by bill-bugs, 14-16. 

 Hedges. See Osage Orange. 

 Hill.^H. D., 13. 



Hot water for Woolly Aphis, 107. 

 Hydrocyanic acid gas for the San 



Jose Scale, 28, 29,30,31 44,56, 57. 

 (See also under Orchard Fumi- 

 gation.) 



indiginclla, Mineola, 129. 



Insect and fungus pests of the nur- 

 sery most important to the nur- 

 sery trade, classification and de- 

 scription of, 99-102. See under 

 Nursery pests. 



Insecticides. See under Remedies 

 and Preventives and under va- 

 rious insecticide terms. 



J 



John. M. 1)., 13. 

 Johnson, B. F., 19. 

 Johnson, \V. G., A Keport on the 

 San Jose Scale in Maryland 

 and Remedies for its Sup- 

 pression and Control, cited 

 28, 29. 

 on hydrocyanic acid gas for 

 the San Jose Scale, 30. 

 June-grass as food plant of Colas- 

 pis Root-worm, 148. 



Kellicott, D, S.. on Sphenophorus 

 pertinax, 17. 

 Kerosene, effect of soap emulsion 

 of, 47, 51. 



emulsion, cost of, and results 

 with, 45, 46, 56, 57. 

 effect of single treatment with, 



47- 

 experience with, 45-50. 

 for Apple-leaf Aphis, 129. 



Kerosene emulsion — Continued. 

 for Black Peach-Aphis, no. 

 for destruction of mite causing 

 pear-leaf blister, 132, 134. 

 for San Jose Scale, 27, 39, 40, 

 41, 45-52, 56, 57- 

 compared with Califor- 

 nia and Oregon washes , 

 90. 

 during season of 1901-02, 

 50-52. 

 for scale insects generally, 113. 

 for Woolly Aphis, 107. 

 formula for, 1 16. 

 injury to trees by, 45, 48, 49, 



50. 51- 

 strict experiment with, 47. 

 with whale-oil soap for San 

 Jose Scale, 96, 97. 

 grade of, 48, 49, 50. 

 pure, for San Jose Scale, 91-95. 

 sprayed on Apple, Cherry, 

 Pear, and Peach, 92 ; effect, 

 93- 



L 



lanigera, Schizoneura, 106. 

 latifolia, Typha, 17. 

 Leaf-crumpler, character of injury 

 by, 130. 

 hibernation of, 129. 

 life history of, 130. 

 protective measures against, 131. 

 recognition of, at different sea- 

 sons, 130. 

 trees infested by, and injury 

 done, 130. 

 Leaf-spots, 103. 

 descriptitm of, 103, 104. 

 fungi of, 103. 

 Lecanium nigrofasciatum, 118. 

 See under Peach Lecanium. 

 Peach, 113, 118. See under Peach 

 Lecanium. 

 leucostigma, Notolophus, 136. 

 Lime and sulphur washes for the 

 San Jose Scale, 67-90. See un- 

 der California and under Ore- 

 gon, 

 arsenite of, for Canker-worm, 

 141. 



